557072 has 20 divisors (see below), whose sum is σ = 1109676. Its totient is φ = 270720.

The previous prime is 557069. The next prime is 557087. The reversal of 557072 is 270755.

It can be written as a sum of positive squares in 2 ways, for example, as 430336 + 126736 = 656^2 + 356^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122 + ... + 1062.

2⁵⁵⁷⁰⁷² is an apocalyptic number.

It is an amenable number.

557072 is a deficient number, since it is larger than the sum of its proper divisors (552604).

557072 is a wasteful number, since it uses less digits than its factorization.

557072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 557072 is about 746.3725611248. The cubic root of 557072 is about 82.2817986636.

The spelling of 557072 in words is "five hundred fifty-seven thousand, seventy-two".