73743 Full Form. Full Meaning of 73743 Find long form and abbreviation, slang or definition of 73743. What does 73743 mean? What does 73743 stand for? We are providing world largest and most comprehensive acronyms, names, abbreviations database directory on the Internet. Our data base contains more than 8,00,000 terms abbreviations and acronyms. You can also search unique terms more than 4,00,000 general Comprehensive words.