768036728 has 16 divisors (see below), whose sum is σ = 1440470760. Its totient is φ = 383911200.

The previous prime is 768036697. The next prime is 768036733. The reversal of 768036728 is 827630867.

It is a congruent number.

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, 22823 + ... + 45353.

Almost surely, 2^768036728 is an apocalyptic number.

It is an amenable number.

768036728 is a deficient number, since it is larger than the sum of its proper divisors (672434032).

768036728 is a wasteful number, since it uses less digits than its factorization.

768036728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26798 (or 26794 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 768036728 is about 27713.4755669512. The cubic root of 768036728 is about 915.7859920963.

The spelling of 768036728 in words is "seven hundred sixty-eight million, thirty-six thousand, seven hundred twenty-eight".