572740 has 24 divisors (see below), whose sum is σ = 1374912. Its totient is φ = 196320.

The previous prime is 572711. The next prime is 572749. The reversal of 572740 is 47275.

It is a super-2 number, since 2×572740² = 656062215200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (572749) by changing a digit.

572740 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 7 ways as a sum of consecutive naturals, for example, 1906 + ... + 2185.

It is an arithmetic number, because the mean of its divisors is an integer number (57288).

572740 is a Friedman number, since it can be written as (4^7-20)*7*5, using all its digits and the basic arithmetic operations.

2⁵⁷²⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

572740 is an abundant number, since it is smaller than the sum of its proper divisors (802172).

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

572740 is a wasteful number, since it uses less digits than its factorization.

572740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107 (or 4105 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 572740 is about 756.7958773672. The cubic root of 572740 is about 83.0460865647.

The spelling of 572740 in words is "five hundred seventy-two thousand, seven hundred forty".