672745364 has 12 divisors (see below), whose sum is σ = 1217901300. Its totient is φ = 324773568.

The previous prime is 672745351. The next prime is 672745373. The reversal of 672745364 is 463547276.

It can be written as a sum of positive squares in 2 ways, for example, as 526335364 + 146410000 = 22942^2 + 12100^2 .

It is a congruent number.

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, 2899649 + ... + 2899880.

It is an arithmetic number, because the mean of its divisors is an integer number (101491775).

Almost surely, 2^672745364 is an apocalyptic number.

It is an amenable number.

672745364 is a deficient number, since it is larger than the sum of its proper divisors (545155936).

672745364 is a wasteful number, since it uses less digits than its factorization.

672745364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5799562 (or 5799560 counting only the distinct ones).

The product of its digits is 846720, while the sum is 44.

The square root of 672745364 is about 25937.3353295978. The cubic root of 672745364 is about 876.2275511664.

The spelling of 672745364 in words is "six hundred seventy-two million, seven hundred forty-five thousand, three hundred sixty-four".