General fact: 74839 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 74839 is a boring number.
Trivia: 74839 is a boring number.
Historical date: November 25th is the day in 1839 that a cyclone slams India with high winds and a 40 foot storm surge, destroying the port city of Coringa (which has never been completely rebuilt).