572749056 has 324 divisors, whose sum is σ = 1931040384. Its totient is φ = 167961600.

The previous prime is 572749027. The next prime is 572749103. The reversal of 572749056 is 650947275.

572749056 is a `hidden beast` number, since 572 + 74 + 9 + 0 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (324).

It is a super-2 number, since 2×572749056² = 656082962297782272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18475761 + ... + 18475791.

Almost surely, 2^572749056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 572749056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965520192).

572749056 is an abundant number, since it is smaller than the sum of its proper divisors (1358291328).

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

572749056 is an frugal number, since it uses more digits than its factorization.

572749056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 572749056 is about 23932.1761651547. The cubic root of 572749056 is about 830.4652426269.

The spelling of 572749056 in words is "five hundred seventy-two million, seven hundred forty-nine thousand, fifty-six".