Hecho matemático: 74573 is an unremarkable number.
Trivia: 74573 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: March 4th is the day in 1991 that Sheikh Saad Al-Abdallah Al-Salim Al-Sabah, the Prime Minister of Kuwait, returns to his country for the first time since Iraq's invasion.