572661399 has 8 divisors (see below), whose sum is σ = 763911792. Its totient is φ = 381592640.

The previous prime is 572661389. The next prime is 572661407. The reversal of 572661399 is 993166275.

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

It is a cyclic number.

It is not a de Polignac number, because 572661399 - 2⁵ = 572661367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572661319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37872 + ... + 50789.

It is an arithmetic number, because the mean of its divisors is an integer number (95488974).

Almost surely, 2^572661399 is an apocalyptic number.

572661399 is a deficient number, since it is larger than the sum of its proper divisors (191250393).

572661399 is a wasteful number, since it uses less digits than its factorization.

572661399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90817.

The product of its digits is 612360, while the sum is 48.

The square root of 572661399 is about 23930.3447321596. The cubic root of 572661399 is about 830.4228739810.

The spelling of 572661399 in words is "five hundred seventy-two million, six hundred sixty-one thousand, three hundred ninety-nine".