672892905984 has 160 divisors (see below), whose sum is σ = 1931206436544. Its totient is φ = 206970716160.

The previous prime is 672892905947. The next prime is 672892906001. The reversal of 672892905984 is 489509298276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91909044 + ... + 91916364.

Almost surely, 2^672892905984 is an apocalyptic number.

672892905984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672892905984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965603218272).

672892905984 is an abundant number, since it is smaller than the sum of its proper divisors (1258313530560).

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

672892905984 is a wasteful number, since it uses less digits than its factorization.

672892905984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11958 (or 11942 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 69.

The spelling of 672892905984 in words is "six hundred seventy-two billion, eight hundred ninety-two million, nine hundred five thousand, nine hundred eighty-four".