672872968 has 8 divisors (see below), whose sum is σ = 1261636830. Its totient is φ = 336436480.

The previous prime is 672872951. The next prime is 672872999. The reversal of 672872968 is 869278276.

It can be written as a sum of positive squares in only one way, i.e., 638977284 + 33895684 = 25278^2 + 5822^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42054553 + ... + 42054568.

Almost surely, 2^672872968 is an apocalyptic number.

It is an amenable number.

672872968 is a deficient number, since it is larger than the sum of its proper divisors (588763862).

672872968 is a wasteful number, since it uses less digits than its factorization.

672872968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84109127 (or 84109123 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The square root of 672872968 is about 25939.7950647263. The cubic root of 672872968 is about 876.2829475952.

The spelling of 672872968 in words is "six hundred seventy-two million, eight hundred seventy-two thousand, nine hundred sixty-eight".