Fatto generale: 90790 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 90790 is an unremarkable number.
Trivia: 90790 is a boring number.
Data storica: July 28th is the day in 2010 that Airblue Flight 202 crashes into the Margalla Hills north of Islamabad, Pakistan, killing all 152 people aboard.