572023717 has 4 divisors (see below), whose sum is σ = 572252256. Its totient is φ = 571795180.

The previous prime is 572023679. The next prime is 572023721. The reversal of 572023717 is 717320275.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 572023717 - 2¹¹ = 572021669 is a prime.

It is a super-2 number, since 2×572023717² = 654422265620992178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572023757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110473 + ... + 115534.

It is an arithmetic number, because the mean of its divisors is an integer number (143063064).

Almost surely, 2^572023717 is an apocalyptic number.

It is an amenable number.

572023717 is a deficient number, since it is larger than the sum of its proper divisors (228539).

572023717 is a wasteful number, since it uses less digits than its factorization.

572023717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228538.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 572023717 is about 23917.0173098570. The cubic root of 572023717 is about 830.1145228340.

The spelling of 572023717 in words is "five hundred seventy-two million, twenty-three thousand, seven hundred seventeen".