572647 has 4 divisors (see below), whose sum is σ = 586656. Its totient is φ = 558640.

The previous prime is 572639. The next prime is 572651. The reversal of 572647 is 746275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 572647 - 2³ = 572639 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572657) 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, 6943 + ... + 7024.

It is an arithmetic number, because the mean of its divisors is an integer number (146664).

2⁵⁷²⁶⁴⁷ is an apocalyptic number.

572647 is a deficient number, since it is larger than the sum of its proper divisors (14009).

572647 is a wasteful number, since it uses less digits than its factorization.

572647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14008.

The product of its digits is 11760, while the sum is 31.

The square root of 572647 is about 756.7344316205. The cubic root of 572647 is about 83.0415913871.

It can be divided in two parts, 57 and 2647, that added together give a square (2704 = 52²).

The spelling of 572647 in words is "five hundred seventy-two thousand, six hundred forty-seven".