672868944 has 120 divisors (see below), whose sum is σ = 2130509472. Its totient is φ = 203886720.

The previous prime is 672868913. The next prime is 672868957. The reversal of 672868944 is 449868276.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 in 23 ways as a sum of consecutive naturals, for example, 34902 + ... + 50634.

Almost surely, 2^672868944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672868944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1065254736).

672868944 is an abundant number, since it is smaller than the sum of its proper divisors (1457640528).

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

672868944 is a wasteful number, since it uses less digits than its factorization.

672868944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15767 (or 15749 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 672868944 is about 25939.7175003892. The cubic root of 672868944 is about 876.2812007723.

The spelling of 672868944 in words is "six hundred seventy-two million, eight hundred sixty-eight thousand, nine hundred forty-four".