564694768 has 20 divisors (see below), whose sum is σ = 1193559768. Its totient is φ = 256679360.

The previous prime is 564694727. The next prime is 564694769. The reversal of 564694768 is 867496465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564694769) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1604071 + ... + 1604422.

Almost surely, 2^564694768 is an apocalyptic number.

It is an amenable number.

564694768 is an abundant number, since it is smaller than the sum of its proper divisors (628865000).

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

564694768 is a wasteful number, since it uses less digits than its factorization.

564694768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208512 (or 3208506 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The square root of 564694768 is about 23763.3071772428. The cubic root of 564694768 is about 826.5540432188.

The spelling of 564694768 in words is "five hundred sixty-four million, six hundred ninety-four thousand, seven hundred sixty-eight".