672458904 has 96 divisors (see below), whose sum is σ = 1977131520. Its totient is φ = 205244928.

The previous prime is 672458893. The next prime is 672458911. The reversal of 672458904 is 409854276.

It is a happy number.

672458904 is a `hidden beast` number, since 67 + 2 + 4 + 589 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 672458904.

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, 116044 + ... + 121700.

It is an arithmetic number, because the mean of its divisors is an integer number (20595120).

Almost surely, 2^672458904 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 672458904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988565760).

672458904 is an abundant number, since it is smaller than the sum of its proper divisors (1304672616).

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

672458904 is a wasteful number, since it uses less digits than its factorization.

672458904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5809 (or 5802 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 672458904 is about 25931.8125860882. The cubic root of 672458904 is about 876.1031654316.

The spelling of 672458904 in words is "six hundred seventy-two million, four hundred fifty-eight thousand, nine hundred four".