general_fact: 47407 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 47407 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 47407 is an unremarkable number.
historical_date: October 17th is the day in 1945 that a massive number of people, headed by CGT and Evita, gather in the Plaza de Mayo in Argentina to demand Juan Peron's release.