572405685 has 16 divisors (see below), whose sum is σ = 964052160. Its totient is φ = 289215360.

The previous prime is 572405641. The next prime is 572405699. The reversal of 572405685 is 586504275.

572405685 = 7971² + 7972² + ... + 7979².

It is not a de Polignac number, because 572405685 - 2⁷ = 572405557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1003936 + ... + 1004505.

It is an arithmetic number, because the mean of its divisors is an integer number (60253260).

Almost surely, 2^572405685 is an apocalyptic number.

It is an amenable number.

572405685 is a deficient number, since it is larger than the sum of its proper divisors (391646475).

572405685 is a wasteful number, since it uses less digits than its factorization.

572405685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008468.

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 572405685 is about 23925.0012539185. The cubic root of 572405685 is about 830.2992509754.

The spelling of 572405685 in words is "five hundred seventy-two million, four hundred five thousand, six hundred eighty-five".