672766732 has 12 divisors (see below), whose sum is σ = 1284372936. Its totient is φ = 305803040.

The previous prime is 672766669. The next prime is 672766739. The reversal of 672766732 is 237667276.

It is not an unprimeable number, because it can be changed into a prime (672766739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7645033 + ... + 7645120.

It is an arithmetic number, because the mean of its divisors is an integer number (107031078).

Almost surely, 2^672766732 is an apocalyptic number.

It is an amenable number.

672766732 is a deficient number, since it is larger than the sum of its proper divisors (611606204).

672766732 is a wasteful number, since it uses less digits than its factorization.

672766732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15290168 (or 15290166 counting only the distinct ones).

The product of its digits is 889056, while the sum is 46.

The square root of 672766732 is about 25937.7472421951. The cubic root of 672766732 is about 876.2368280950.

The spelling of 672766732 in words is "six hundred seventy-two million, seven hundred sixty-six thousand, seven hundred thirty-two".