556672 has 16 divisors (see below), whose sum is σ = 1109250. Its totient is φ = 278272.

The previous prime is 556651. The next prime is 556679. The reversal of 556672 is 276655.

It can be written as a sum of positive squares in only one way, i.e., 553536 + 3136 = 744^2 + 56^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (556679) by changing a digit.

556672 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2047 + ... + 2302.

2⁵⁵⁶⁶⁷² is an apocalyptic number.

It is an amenable number.

556672 is a deficient number, since it is larger than the sum of its proper divisors (552578).

556672 is an equidigital number, since it uses as much as digits as its factorization.

556672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363 (or 4351 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 556672 is about 746.1045503145. The cubic root of 556672 is about 82.2621000728.

The spelling of 556672 in words is "five hundred fifty-six thousand, six hundred seventy-two".