672735768 has 16 divisors (see below), whose sum is σ = 1681839480. Its totient is φ = 224245248.

The previous prime is 672735757. The next prime is 672735779. The reversal of 672735768 is 867537276.

It is an interprime number because it is at equal distance from previous prime (672735757) and next prime (672735779).

It is a self number, because there is not a number n which added to its sum of digits gives 672735768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14015305 + ... + 14015352.

Almost surely, 2^672735768 is an apocalyptic number.

It is an amenable number.

672735768 is an abundant number, since it is smaller than the sum of its proper divisors (1009103712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672735768 is a wasteful number, since it uses less digits than its factorization.

672735768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28030666 (or 28030662 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 51.

The square root of 672735768 is about 25937.1503446312. The cubic root of 672735768 is about 876.2233849940.

The spelling of 672735768 in words is "six hundred seventy-two million, seven hundred thirty-five thousand, seven hundred sixty-eight".