572809680 has 120 divisors (see below), whose sum is σ = 1964731392. Its totient is φ = 149490432.

The previous prime is 572809673. The next prime is 572809693. The reversal of 572809680 is 86908275.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×572809680² = 656221859003404800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25377 + ... + 42303.

Almost surely, 2^572809680 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 572809680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982365696).

572809680 is an abundant number, since it is smaller than the sum of its proper divisors (1391921712).

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

572809680 is a wasteful number, since it uses less digits than its factorization.

572809680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16993 (or 16984 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 572809680 is about 23933.4427109850. The cubic root of 572809680 is about 830.4945424562.

The spelling of 572809680 in words is "five hundred seventy-two million, eight hundred nine thousand, six hundred eighty".