720165028 has 12 divisors (see below), whose sum is σ = 1374860592. Its totient is φ = 327347720.

The previous prime is 720165011. The next prime is 720165053. The reversal of 720165028 is 820561027.

720165028 is digitally balanced in base 2, 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 3 ways as a sum of consecutive naturals, for example, 8183650 + ... + 8183737.

It is an arithmetic number, because the mean of its divisors is an integer number (114571716).

Almost surely, 2^720165028 is an apocalyptic number.

It is an amenable number.

720165028 is a deficient number, since it is larger than the sum of its proper divisors (654695564).

720165028 is a wasteful number, since it uses less digits than its factorization.

720165028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16367402 (or 16367400 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 720165028 is about 26835.8906690276. The cubic root of 720165028 is about 896.3494216046.

The spelling of 720165028 in words is "seven hundred twenty million, one hundred sixty-five thousand, twenty-eight".