667325792 has 24 divisors (see below), whose sum is σ = 1501483536. Its totient is φ = 285996672.

The previous prime is 667325779. The next prime is 667325807. The reversal of 667325792 is 297523766.

It is a happy number.

It is a congruent number.

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, 1489343 + ... + 1489790.

It is an arithmetic number, because the mean of its divisors is an integer number (62561814).

Almost surely, 2^667325792 is an apocalyptic number.

It is an amenable number.

667325792 is an abundant number, since it is smaller than the sum of its proper divisors (834157744).

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

667325792 is a wasteful number, since it uses less digits than its factorization.

667325792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979150 (or 2979142 counting only the distinct ones).

The product of its digits is 952560, while the sum is 47.

The square root of 667325792 is about 25832.6497285896. The cubic root of 667325792 is about 873.8682694150.

The spelling of 667325792 in words is "six hundred sixty-seven million, three hundred twenty-five thousand, seven hundred ninety-two".