768193728 has 28 divisors (see below), whose sum is σ = 2032513080. Its totient is φ = 256064512.

The previous prime is 768193717. The next prime is 768193837. The reversal of 768193728 is 827391867.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000313 + ... + 2000696.

Almost surely, 2^768193728 is an apocalyptic number.

It is an amenable number.

768193728 is an abundant number, since it is smaller than the sum of its proper divisors (1264319352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

768193728 is a wasteful number, since it uses less digits than its factorization.

768193728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001024 (or 4001014 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The square root of 768193728 is about 27716.3079792385. The cubic root of 768193728 is about 915.8483886804.

The spelling of 768193728 in words is "seven hundred sixty-eight million, one hundred ninety-three thousand, seven hundred twenty-eight".