573564 has 12 divisors (see below), whose sum is σ = 1338344. Its totient is φ = 191184.

The previous prime is 573557. The next prime is 573569. The reversal of 573564 is 465375.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573569) by changing a digit.

573564 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23887 + ... + 23910.

2⁵⁷³⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

573564 is an abundant number, since it is smaller than the sum of its proper divisors (764780).

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

573564 is a wasteful number, since it uses less digits than its factorization.

573564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47804 (or 47802 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 573564 is about 757.3400821296. The cubic root of 573564 is about 83.0858935655.

The spelling of 573564 in words is "five hundred seventy-three thousand, five hundred sixty-four".