672277732 has 48 divisors (see below), whose sum is σ = 1383598720. Its totient is φ = 279873792.

The previous prime is 672277729. The next prime is 672277757. The reversal of 672277732 is 237772276.

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, 134494 + ... + 139402.

Almost surely, 2^672277732 is an apocalyptic number.

It is an amenable number.

672277732 is an abundant number, since it is smaller than the sum of its proper divisors (711320988).

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

672277732 is a wasteful number, since it uses less digits than its factorization.

672277732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060 (or 5058 counting only the distinct ones).

The product of its digits is 345744, while the sum is 43.

The square root of 672277732 is about 25928.3191125071. The cubic root of 672277732 is about 876.0244792753.

The spelling of 672277732 in words is "six hundred seventy-two million, two hundred seventy-seven thousand, seven hundred thirty-two".