790 (seven hundred [and] ninety) is the natural number following 789 and preceding 791. Mathematical properties 790 is: a sphenic number. a nontotient. a Harshad number in bases 2, 7, 14 and 16. an aspiring number. the aliquot sum of 1574. The aliquot sequence starting at 3142 is: 3142, 1574, 790, 650, 652, 496, 496... Other fields 790 (pronounced "seven-ninety") is a fictional talking robot head from the science-fiction television series LEXX. References Integers