37 vs. 73 is the difference between a stump and a tower.
In Vancouver, BC, no office building is permitted to have a 40th floor, let alone 50 or 60. There is a 37 story RBC and more recently, the Stack-office-tower. In contrast, Seattle has a 76 story office tower.
37 - Why is this number everywhere? https://www.youtube.com/watch?v=d6iQrh2TK98
There are various buildings with 73 stories, but they vary in their heights.
https://www.skyscrapercenter.com/building/30-hudson-yards/13325 73 stories.
https://www.skyscrapercenter.com/building/1-corporate-avenue/9591 73 stories.
https://www.skyscrapercenter.com/building/the-address-boulevard/14606 73
https://www.skyscrapercenter.com/building/qingdao-hai-tian-center/15639 73
https://www.skyscrapercenter.com/building/the-center/343 73
https://en.wikipedia.org/wiki/List_of_tallest_structures_in_Japan
https://en.wikipedia.org/wiki/Yokohama_Landmark_Tower 73 stories above ground in total. https://www.skyscrapercenter.com/building/landmark-tower/547
https://web.archive.org/web/20131203014920/http://skyscrapercenter.com/yokohama/landmark-tower/
https://www.yokohama-landmark.jp/skygarden
https://www.yokohamastation.com/yokohama-landmark-tower/
https://www.skyscrapercenter.com/building/first-canadian-place/543 72
https://www.skyscrapercenter.com/building/q1-tower/399 78
https://en.wikipedia.org/wiki/List_of_tallest_buildings_in_South_Korea
https://en.wikipedia.org/wiki/List_of_tallest_buildings_in_Taiwan
https://en.wikipedia.org/wiki/List_of_tallest_buildings#Tallest_buildings_in_the_world