557734872 has 32 divisors (see below), whose sum is σ = 1398754800. Its totient is φ = 185322624.

The previous prime is 557734871. The next prime is 557734901. The reversal of 557734872 is 278437755.

It is a super-2 number, since 2×557734872² = 622136374889712768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557734871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29047 + ... + 44262.

Almost surely, 2^557734872 is an apocalyptic number.

It is an amenable number.

557734872 is an abundant number, since it is smaller than the sum of its proper divisors (841019928).

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

557734872 is a wasteful number, since it uses less digits than its factorization.

557734872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73635 (or 73631 counting only the distinct ones).

The product of its digits is 1646400, while the sum is 48.

The square root of 557734872 is about 23616.4110736581. The cubic root of 557734872 is about 823.1442202352.

The spelling of 557734872 in words is "five hundred fifty-seven million, seven hundred thirty-four thousand, eight hundred seventy-two".