672912888 has 32 divisors (see below), whose sum is σ = 1686814800. Its totient is φ = 223699968.

The previous prime is 672912881. The next prime is 672912907. The reversal of 672912888 is 888219276.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 672912888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672912881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28633 + ... + 46536.

Almost surely, 2^672912888 is an apocalyptic number.

It is an amenable number.

672912888 is an abundant number, since it is smaller than the sum of its proper divisors (1013901912).

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

672912888 is a wasteful number, since it uses less digits than its factorization.

672912888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75551 (or 75547 counting only the distinct ones).

The product of its digits is 774144, while the sum is 51.

The square root of 672912888 is about 25940.5645273961. The cubic root of 672912888 is about 876.3002765340.

The spelling of 672912888 in words is "six hundred seventy-two million, nine hundred twelve thousand, eight hundred eighty-eight".