565730 has 32 divisors (see below), whose sum is σ = 1149120. Its totient is φ = 198720.

The previous prime is 565727. The next prime is 565769. The reversal of 565730 is 37565.

It is a self number, because there is not a number n which added to its sum of digits gives 565730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4001 + ... + 4139.

It is an arithmetic number, because the mean of its divisors is an integer number (35910).

2⁵⁶⁵⁷³⁰ is an apocalyptic number.

565730 is an abundant number, since it is smaller than the sum of its proper divisors (583390).

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

565730 is a wasteful number, since it uses less digits than its factorization.

565730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 565730 is about 752.1502509472. The cubic root of 565730 is about 82.7058830869.

The spelling of 565730 in words is "five hundred sixty-five thousand, seven hundred thirty".