564894726 has 16 divisors (see below), whose sum is σ = 1232497728. Its totient is φ = 171180200.

The previous prime is 564894713. The next prime is 564894731. The reversal of 564894726 is 627498465.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4279440 + ... + 4279571.

It is an arithmetic number, because the mean of its divisors is an integer number (77031108).

Almost surely, 2^564894726 is an apocalyptic number.

564894726 is an abundant number, since it is smaller than the sum of its proper divisors (667603002).

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

564894726 is a wasteful number, since it uses less digits than its factorization.

564894726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8559027.

The product of its digits is 2903040, while the sum is 51.

The square root of 564894726 is about 23767.5140896140. The cubic root of 564894726 is about 826.6515924309.

The spelling of 564894726 in words is "five hundred sixty-four million, eight hundred ninety-four thousand, seven hundred twenty-six".