Fatto generale: 7443 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 7443 is a boring number.
Trivia: 7443 is a boring number.
Data storica: May 17th is the day in 1990 that the General Assembly of the World Health Organization (WHO) eliminates homosexuality from the list of psychiatric diseases.