564420727 has 16 divisors (see below), whose sum is σ = 620928000. Its totient is φ = 509864544.

The previous prime is 564420721. The next prime is 564420737. The reversal of 564420727 is 727024465.

It is a cyclic number.

It is not a de Polignac number, because 564420727 - 2¹⁵ = 564387959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564420721) 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 15 ways as a sum of consecutive naturals, for example, 181774 + ... + 184852.

It is an arithmetic number, because the mean of its divisors is an integer number (38808000).

Almost surely, 2^564420727 is an apocalyptic number.

564420727 is a deficient number, since it is larger than the sum of its proper divisors (56507273).

564420727 is a wasteful number, since it uses less digits than its factorization.

564420727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 564420727 is about 23757.5404240422. The cubic root of 564420727 is about 826.4203153123.

The spelling of 564420727 in words is "five hundred sixty-four million, four hundred twenty thousand, seven hundred twenty-seven".