667763372 has 12 divisors (see below), whose sum is σ = 1172118696. Its totient is φ = 332872320.

The previous prime is 667763363. The next prime is 667763399. The reversal of 667763372 is 273367766.

667763372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 250853 + ... + 253500.

It is an arithmetic number, because the mean of its divisors is an integer number (97676558).

Almost surely, 2^667763372 is an apocalyptic number.

It is an amenable number.

667763372 is a deficient number, since it is larger than the sum of its proper divisors (504355324).

667763372 is a wasteful number, since it uses less digits than its factorization.

667763372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504688 (or 504686 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 47.

The square root of 667763372 is about 25841.1178550774. The cubic root of 667763372 is about 874.0592324760.

The spelling of 667763372 in words is "six hundred sixty-seven million, seven hundred sixty-three thousand, three hundred seventy-two".