general_fact: 47772 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 47772 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 47772 is a boring number.
historical_date: October 17th is the day in 539 BC that Cyrus the Great marches into the city of Babylon, releasing the Jews from almost 70 years of exile.