Fatto matematico: 769 is the total number of digits of all binary numbers of length 1-7.
Trivia: 769 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: February 7th is the day in 1856 that the Kingdom of Awadh is annexed by the British East India Company and Wajid Ali Shah, the king of Awadh, is imprisoned and later exiled to Calcutta.