564822756 has 81 divisors (see below), whose sum is σ = 1523209051. Its totient is φ = 176438784.

The previous prime is 564822743. The next prime is 564822757. The reversal of 564822756 is 657228465.

The square root of 564822756 is 23766.

It is a perfect power (a square), and thus also a powerful number.

564822756 is a `hidden beast` number, since 564 + 82 + 2 + 7 + 5 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 285156 + 564537600 = 534^2 + 23760^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564822757) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2424016 + ... + 2424248.

Almost surely, 2^564822756 is an apocalyptic number.

564822756 is the 23766-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564822756

564822756 is an abundant number, since it is smaller than the sum of its proper divisors (958386295).

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

564822756 is a wasteful number, since it uses less digits than its factorization.

564822756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 255 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The cubic root of 564822756 is about 826.6164846258.

The spelling of 564822756 in words is "five hundred sixty-four million, eight hundred twenty-two thousand, seven hundred fifty-six".