General fact: 47643 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 47643 is a boring number.
Trivia: 47643 is a boring number.
Historical date: June 10th is the day in 1886 that Mount Tarawera in New Zealand erupts, killing 153 people and destroying the famous Pink and White Terraces.