672371660 has 24 divisors (see below), whose sum is σ = 1442024640. Its totient is φ = 263225984.

The previous prime is 672371653. The next prime is 672371681. The reversal of 672371660 is 66173276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356705 + ... + 358584.

It is an arithmetic number, because the mean of its divisors is an integer number (60084360).

Almost surely, 2^672371660 is an apocalyptic number.

It is an amenable number.

672371660 is an abundant number, since it is smaller than the sum of its proper divisors (769652980).

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

672371660 is a wasteful number, since it uses less digits than its factorization.

672371660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715345 (or 715343 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 672371660 is about 25930.1303506172. The cubic root of 672371660 is about 876.0652756068.

The spelling of 672371660 in words is "six hundred seventy-two million, three hundred seventy-one thousand, six hundred sixty".