30770564 has 24 divisors (see below), whose sum is σ = 58889376. Its totient is φ = 13952000.

The previous prime is 30770563. The next prime is 30770609. The reversal of 30770564 is 46507703.

It is a self number, because there is not a number n which added to its sum of digits gives 30770564.

It is not an unprimeable number, because it can be changed into a prime (30770563) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27659 + ... + 28749.

It is an arithmetic number, because the mean of its divisors is an integer number (2453724).

Almost surely, 2^30770564 is an apocalyptic number.

It is an amenable number.

30770564 is a deficient number, since it is larger than the sum of its proper divisors (28118812).

30770564 is a wasteful number, since it uses less digits than its factorization.

30770564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 30770564 is about 5547.1221367480. The cubic root of 30770564 is about 313.3611498870.

The spelling of 30770564 in words is "thirty million, seven hundred seventy thousand, five hundred sixty-four".