768421090 has 16 divisors (see below), whose sum is σ = 1387150272. Its totient is φ = 306481264.

The previous prime is 768421061. The next prime is 768421117. The reversal of 768421090 is 90124867.

768421090 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107254 + ... + 114193.

It is an arithmetic number, because the mean of its divisors is an integer number (86696892).

Almost surely, 2^768421090 is an apocalyptic number.

768421090 is a deficient number, since it is larger than the sum of its proper divisors (618729182).

768421090 is a wasteful number, since it uses less digits than its factorization.

768421090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221801.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 768421090 is about 27720.4092682630. The cubic root of 768421090 is about 915.9387341988.

The spelling of 768421090 in words is "seven hundred sixty-eight million, four hundred twenty-one thousand, ninety".