General fact: 47709 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 47709 is an uninteresting number.
Trivia: 47709 is an uninteresting number.
Historical date: August 15th is the day in 1947 that Founder of Pakistan, Muhammad Ali Jinnah is sworn in as first Governor General of Pakistan in Karachi.