571612832 has 72 divisors (see below), whose sum is σ = 1321717824. Its totient is φ = 242616192.

The previous prime is 571612831. The next prime is 571612843. The reversal of 571612832 is 238216175.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 571612792 and 571612801.

It is not an unprimeable number, because it can be changed into a prime (571612831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166073 + ... + 169479.

It is an arithmetic number, because the mean of its divisors is an integer number (18357192).

Almost surely, 2^571612832 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 571612832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660858912).

571612832 is an abundant number, since it is smaller than the sum of its proper divisors (750104992).

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

571612832 is a wasteful number, since it uses less digits than its factorization.

571612832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538 (or 3523 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 571612832 is about 23908.4259624092. The cubic root of 571612832 is about 829.9157179624.

The spelling of 571612832 in words is "five hundred seventy-one million, six hundred twelve thousand, eight hundred thirty-two".