General fact: 74843 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 74843 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 74843 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: November 29th is the day in 1944 that the first surgery (on a human) to correct blue baby syndrome is performed by Alfred Blalock and Vivien Thomas.