672674656 has 12 divisors (see below), whose sum is σ = 1324328292. Its totient is φ = 336337312.

The previous prime is 672674623. The next prime is 672674657. The reversal of 672674656 is 656476276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672674657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10510510 + ... + 10510573.

It is an arithmetic number, because the mean of its divisors is an integer number (110360691).

Almost surely, 2^672674656 is an apocalyptic number.

It is an amenable number.

672674656 is a deficient number, since it is larger than the sum of its proper divisors (651653636).

672674656 is a wasteful number, since it uses less digits than its factorization.

672674656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21021093 (or 21021085 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 49.

The square root of 672674656 is about 25935.9722393436. The cubic root of 672674656 is about 876.1968518500.

The spelling of 672674656 in words is "six hundred seventy-two million, six hundred seventy-four thousand, six hundred fifty-six".