746930728 has 16 divisors (see below), whose sum is σ = 1448788500. Its totient is φ = 360587136.

The previous prime is 746930677. The next prime is 746930731. The reversal of 746930728 is 827039647.

It can be written as a sum of positive squares in 2 ways, for example, as 723717604 + 23213124 = 26902^2 + 4818^2 .

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, 1609533 + ... + 1609996.

Almost surely, 2^746930728 is an apocalyptic number.

It is an amenable number.

746930728 is a deficient number, since it is larger than the sum of its proper divisors (701857772).

746930728 is a wasteful number, since it uses less digits than its factorization.

746930728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219564 (or 3219560 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 746930728 is about 27330.0334430824. The cubic root of 746930728 is about 907.3192158102.

The spelling of 746930728 in words is "seven hundred forty-six million, nine hundred thirty thousand, seven hundred twenty-eight".