572766 has 8 divisors (see below), whose sum is σ = 1145544. Its totient is φ = 190920.

The previous prime is 572749. The next prime is 572777. The reversal of 572766 is 667275.

It is a sphenic number, since it is the product of 3 distinct primes.

572766 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

572766 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 3 ways as a sum of consecutive naturals, for example, 47725 + ... + 47736.

It is an arithmetic number, because the mean of its divisors is an integer number (143193).

2⁵⁷²⁷⁶⁶ is an apocalyptic number.

572766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

572766 is a wasteful number, since it uses less digits than its factorization.

572766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95466.

The product of its digits is 17640, while the sum is 33.

The square root of 572766 is about 756.8130548557. The cubic root of 572766 is about 83.0473431940.

It can be divided in two parts, 5 and 72766, that added together give a triangular number (72771 = T₃₈₁).

The spelling of 572766 in words is "five hundred seventy-two thousand, seven hundred sixty-six".