667474264 has 32 divisors (see below), whose sum is σ = 1326546720. Its totient is φ = 313770496.

The previous prime is 667474231. The next prime is 667474271. The reversal of 667474264 is 462474766.

667474264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164322 + ... + 168334.

It is an arithmetic number, because the mean of its divisors is an integer number (41454585).

Almost surely, 2^667474264 is an apocalyptic number.

It is an amenable number.

667474264 is a deficient number, since it is larger than the sum of its proper divisors (659072456).

667474264 is a wasteful number, since it uses less digits than its factorization.

667474264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259 (or 5255 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 46.

The square root of 667474264 is about 25835.5232964227. The cubic root of 667474264 is about 873.9330730187.

The spelling of 667474264 in words is "six hundred sixty-seven million, four hundred seventy-four thousand, two hundred sixty-four".