672570256 has 10 divisors (see below), whose sum is σ = 1303104902. Its totient is φ = 336285120.

The previous prime is 672570253. The next prime is 672570257. The reversal of 672570256 is 652075276.

It can be written as a sum of positive squares in only one way, i.e., 635846656 + 36723600 = 25216^2 + 6060^2 .

It is not an unprimeable number, because it can be changed into a prime (672570251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21017805 + ... + 21017836.

Almost surely, 2^672570256 is an apocalyptic number.

It is an amenable number.

672570256 is a deficient number, since it is larger than the sum of its proper divisors (630534646).

672570256 is a wasteful number, since it uses less digits than its factorization.

672570256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42035649 (or 42035643 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 672570256 is about 25933.9595125773. The cubic root of 672570256 is about 876.1515205330.

The spelling of 672570256 in words is "six hundred seventy-two million, five hundred seventy thousand, two hundred fifty-six".