30870365728 has 24 divisors (see below), whose sum is σ = 60907327488. Its totient is φ = 15401838144.

The previous prime is 30870365707. The next prime is 30870365731. The reversal of 30870365728 is 82756307803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026976 + ... + 1056607.

It is an arithmetic number, because the mean of its divisors is an integer number (2537805312).

Almost surely, 2^30870365728 is an apocalyptic number.

It is an amenable number.

30870365728 is a deficient number, since it is larger than the sum of its proper divisors (30036961760).

30870365728 is a wasteful number, since it uses less digits than its factorization.

30870365728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084056 (or 2084048 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 30870365728 in words is "thirty billion, eight hundred seventy million, three hundred sixty-five thousand, seven hundred twenty-eight".