564543672 has 64 divisors (see below), whose sum is σ = 1759622400. Its totient is φ = 146634240.

The previous prime is 564543659. The next prime is 564543731. The reversal of 564543672 is 276345465.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 150897 + ... + 154592.

It is an arithmetic number, because the mean of its divisors is an integer number (27494100).

Almost surely, 2^564543672 is an apocalyptic number.

It is an amenable number.

564543672 is an abundant number, since it is smaller than the sum of its proper divisors (1195078728).

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

564543672 is a wasteful number, since it uses less digits than its factorization.

564543672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305516 (or 305512 counting only the distinct ones).

The product of its digits is 604800, while the sum is 42.

The square root of 564543672 is about 23760.1277774342. The cubic root of 564543672 is about 826.4803159846.

The spelling of 564543672 in words is "five hundred sixty-four million, five hundred forty-three thousand, six hundred seventy-two".