672428304 has 100 divisors (see below), whose sum is σ = 1956221520. Its totient is φ = 222989760.

The previous prime is 672428293. The next prime is 672428321. The reversal of 672428304 is 403824276.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 272227 + ... + 274685.

Almost surely, 2^672428304 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 672428304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978110760).

672428304 is an abundant number, since it is smaller than the sum of its proper divisors (1283793216).

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

672428304 is a wasteful number, since it uses less digits than its factorization.

672428304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690 (or 2675 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 672428304 is about 25931.2225704844. Note that the first 3 decimals coincide. The cubic root of 672428304 is about 876.0898763105.

The spelling of 672428304 in words is "six hundred seventy-two million, four hundred twenty-eight thousand, three hundred four".