571949972 has 48 divisors (see below), whose sum is σ = 1164663360. Its totient is φ = 242880000.

The previous prime is 571949957. The next prime is 571949981. The reversal of 571949972 is 279949175.

Its product of digits (1428840) is a multiple of the sum of its prime divisors (5670).

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, 101222 + ... + 106722.

It is an arithmetic number, because the mean of its divisors is an integer number (24263820).

Almost surely, 2^571949972 is an apocalyptic number.

It is an amenable number.

571949972 is an abundant number, since it is smaller than the sum of its proper divisors (592713388).

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

571949972 is a wasteful number, since it uses less digits than its factorization.

571949972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672 (or 5670 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 53.

The square root of 571949972 is about 23915.4755754511. The cubic root of 571949972 is about 830.0788486567.

The spelling of 571949972 in words is "five hundred seventy-one million, nine hundred forty-nine thousand, nine hundred seventy-two".