Fatto generale: 73637 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 73637 is an unremarkable number.
Trivia: 73637 is a boring number.
Data storica: August 11th is the day in 1858 that the Eiger in the Bernese Alps is ascended for the first time by Charles Barrington accompanied by Christian Almer and Peter Bohren.