672358668 has 24 divisors (see below), whose sum is σ = 1592254272. Its totient is φ = 220774224.

The previous prime is 672358663. The next prime is 672358691. The reversal of 672358668 is 866853276.

It is a self number, because there is not a number n which added to its sum of digits gives 672358668.

It is not an unprimeable number, because it can be changed into a prime (672358663) 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, 417330 + ... + 418937.

It is an arithmetic number, because the mean of its divisors is an integer number (66343928).

Almost surely, 2^672358668 is an apocalyptic number.

It is an amenable number.

672358668 is an abundant number, since it is smaller than the sum of its proper divisors (919895604).

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

672358668 is a wasteful number, since it uses less digits than its factorization.

672358668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836341 (or 836339 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 672358668 is about 25929.8798300339. The cubic root of 672358668 is about 876.0596329372.

The spelling of 672358668 in words is "six hundred seventy-two million, three hundred fifty-eight thousand, six hundred sixty-eight".