572761 has 6 divisors (see below), whose sum is σ = 666330. Its totient is φ = 490896.

The previous prime is 572749. The next prime is 572777. The reversal of 572761 is 167275.

It can be written as a sum of positive squares in only one way, i.e., 571536 + 1225 = 756^2 + 35^2 .

It is not a de Polignac number, because 572761 - 2⁷ = 572633 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (572711) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 5796 + ... + 5893.

It is an arithmetic number, because the mean of its divisors is an integer number (111055).

2⁵⁷²⁷⁶¹ is an apocalyptic number.

It is an amenable number.

572761 is a deficient number, since it is larger than the sum of its proper divisors (93569).

572761 is a wasteful number, since it uses less digits than its factorization.

572761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11703 (or 11696 counting only the distinct ones).

The product of its digits is 2940, while the sum is 28.

The square root of 572761 is about 756.8097515228. The cubic root of 572761 is about 83.0471015375.

The spelling of 572761 in words is "five hundred seventy-two thousand, seven hundred sixty-one".