572643 has 16 divisors (see below), whose sum is σ = 860160. Its totient is φ = 376488.

The previous prime is 572639. The next prime is 572651. The reversal of 572643 is 346275.

It is a happy number.

It is not a de Polignac number, because 572643 - 2² = 572639 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

572643 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572633) 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 15 ways as a sum of consecutive naturals, for example, 3346 + ... + 3512.

It is an arithmetic number, because the mean of its divisors is an integer number (53760).

2⁵⁷²⁶⁴³ is an apocalyptic number.

572643 is a deficient number, since it is larger than the sum of its proper divisors (287517).

572643 is a wasteful number, since it uses less digits than its factorization.

572643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 297 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 572643 is about 756.7317886808. The cubic root of 572643 is about 83.0413980352.

The spelling of 572643 in words is "five hundred seventy-two thousand, six hundred forty-three".