572640804 has 72 divisors (see below), whose sum is σ = 1529079552. Its totient is φ = 180411840.

The previous prime is 572640793. The next prime is 572640833. The reversal of 572640804 is 408046275.

572640804 is a `hidden beast` number, since 5 + 7 + 2 + 640 + 8 + 0 + 4 = 666.

It is a super-3 number, since 3×572640804³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42022 + ... + 53954.

It is an arithmetic number, because the mean of its divisors is an integer number (21237216).

Almost surely, 2^572640804 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 572640804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764539776).

572640804 is an abundant number, since it is smaller than the sum of its proper divisors (956438748).

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

572640804 is a wasteful number, since it uses less digits than its factorization.

572640804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12017 (or 12012 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 572640804 is about 23929.9144168967. The cubic root of 572640804 is about 830.4129188463.

The spelling of 572640804 in words is "five hundred seventy-two million, six hundred forty thousand, eight hundred four".