Fatto generale: 90637 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 90637 is a boring number.
Trivia: 90637 is an unremarkable number.
Data storica: February 26th is the day in 1960 that a New York bound Alitalia airliner crashed into a cemetery at Shannon, Ireland, shortly after takeoff, killing 34 of the 52 persons on board.