General fact: 7790 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 7790 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 7790 is an uninteresting number.
Historical date: April 29th is the day in 1965 that Pakistan's Space and Upper Atmosphere Research Commission (SUPARCO) successfully launches its seventh rocket in its Rehber series.