564572780 has 12 divisors (see below), whose sum is σ = 1185602880. Its totient is φ = 225829104.

The previous prime is 564572779. The next prime is 564572807. The reversal of 564572780 is 87275465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14114300 + ... + 14114339.

It is an arithmetic number, because the mean of its divisors is an integer number (98800240).

Almost surely, 2^564572780 is an apocalyptic number.

It is an amenable number.

564572780 is an abundant number, since it is smaller than the sum of its proper divisors (621030100).

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

564572780 is a wasteful number, since it uses less digits than its factorization.

564572780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28228648 (or 28228646 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 564572780 is about 23760.7403083321. The cubic root of 564572780 is about 826.4945202447.

The spelling of 564572780 in words is "five hundred sixty-four million, five hundred seventy-two thousand, seven hundred eighty".