General fact: 74724 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 74724 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 74724 is an unremarkable number.
Historical date: August 2nd is the day in 1985 that Delta Air Lines Flight 191, a Lockheed L-1011 TriStar crashes at Dallas/Fort Worth International Airport killing 137.