564724 has 6 divisors (see below), whose sum is σ = 988274. Its totient is φ = 282360.

The previous prime is 564713. The next prime is 564761. The reversal of 564724 is 427465.

It can be written as a sum of positive squares in only one way, i.e., 535824 + 28900 = 732^2 + 170^2 .

It is a junction number, because it is equal to n+sod(n) for n = 564692 and 564701.

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 as a sum of consecutive naturals, namely, 70587 + ... + 70594.

2⁵⁶⁴⁷²⁴ is an apocalyptic number.

It is an amenable number.

564724 is a deficient number, since it is larger than the sum of its proper divisors (423550).

564724 is a wasteful number, since it uses less digits than its factorization.

564724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141185 (or 141183 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 564724 is about 751.4812040231. The cubic root of 564724 is about 82.6568305443.

It can be divided in two parts, 5647 and 24, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 564724 in words is "five hundred sixty-four thousand, seven hundred twenty-four".