672417964 has 12 divisors (see below), whose sum is σ = 1178073288. Its totient is φ = 335825600.

The previous prime is 672417959. The next prime is 672417973. The reversal of 672417964 is 469714276.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91882 + ... + 98929.

It is an arithmetic number, because the mean of its divisors is an integer number (98172774).

Almost surely, 2^672417964 is an apocalyptic number.

It is an amenable number.

672417964 is a deficient number, since it is larger than the sum of its proper divisors (505655324).

672417964 is a wasteful number, since it uses less digits than its factorization.

672417964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191696 (or 191694 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 672417964 is about 25931.0231961641. The cubic root of 672417964 is about 876.0853857124.

The spelling of 672417964 in words is "six hundred seventy-two million, four hundred seventeen thousand, nine hundred sixty-four".