572455866 has 8 divisors (see below), whose sum is σ = 1144911744. Its totient is φ = 190818620.

The previous prime is 572455847. The next prime is 572455931. The reversal of 572455866 is 668554275.

It is a happy number.

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

572455866 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47704650 + ... + 47704661.

It is an arithmetic number, because the mean of its divisors is an integer number (143113968).

Almost surely, 2^572455866 is an apocalyptic number.

572455866 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.

572455866 is a wasteful number, since it uses less digits than its factorization.

572455866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95409316.

The product of its digits is 2016000, while the sum is 48.

The square root of 572455866 is about 23926.0499456137. The cubic root of 572455866 is about 830.3235135048.

The spelling of 572455866 in words is "five hundred seventy-two million, four hundred fifty-five thousand, eight hundred sixty-six".