30765768 has 32 divisors (see below), whose sum is σ = 83907360. Its totient is φ = 9322880.

The previous prime is 30765751. The next prime is 30765773. The reversal of 30765768 is 86756703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58005 + ... + 58532.

It is an arithmetic number, because the mean of its divisors is an integer number (2622105).

Almost surely, 2^30765768 is an apocalyptic number.

It is an amenable number.

30765768 is an abundant number, since it is smaller than the sum of its proper divisors (53141592).

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

30765768 is a wasteful number, since it uses less digits than its factorization.

30765768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116557 (or 116553 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 30765768 is about 5546.6898236696. The cubic root of 30765768 is about 313.3448685457.

The spelling of 30765768 in words is "thirty million, seven hundred sixty-five thousand, seven hundred sixty-eight".