672417573464 has 64 divisors (see below), whose sum is σ = 1552292347200. Its totient is φ = 265915436544.

The previous prime is 672417573439. The next prime is 672417573497. The reversal of 672417573464 is 464375714276.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1871102 + ... + 2201330.

It is an arithmetic number, because the mean of its divisors is an integer number (24254567925).

Almost surely, 2^672417573464 is an apocalyptic number.

It is an amenable number.

672417573464 is an abundant number, since it is smaller than the sum of its proper divisors (879874773736).

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

672417573464 is a wasteful number, since it uses less digits than its factorization.

672417573464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333052 (or 333048 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 56.

The spelling of 672417573464 in words is "six hundred seventy-two billion, four hundred seventeen million, five hundred seventy-three thousand, four hundred sixty-four".