Hecho matemático: 75470 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 75470 is an unremarkable number.
Fecha histórica: August 18th is the day in 1958 that Brojen Das from Bangladesh swims across the English Channel in a competition, as the first Bangali as well as the first Asian to ever do it.