general_fact: 36729 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 36729 is a boring number.
trivia: 36729 is an unremarkable number.
historical_date: July 23rd is the day in 1962 that Telstar relays the first publicly transmitted, live trans-Atlantic television program, featuring Walter Cronkite.