667792412 has 24 divisors (see below), whose sum is σ = 1345787520. Its totient is φ = 284010480.

The previous prime is 667792361. The next prime is 667792429. The reversal of 667792412 is 214297766.

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, 87362 + ... + 94697.

It is an arithmetic number, because the mean of its divisors is an integer number (56074480).

Almost surely, 2^667792412 is an apocalyptic number.

It is an amenable number.

667792412 is an abundant number, since it is smaller than the sum of its proper divisors (677995108).

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

667792412 is a wasteful number, since it uses less digits than its factorization.

667792412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182201 (or 182199 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 667792412 is about 25841.6797441652. The cubic root of 667792412 is about 874.0719027887.

The spelling of 667792412 in words is "six hundred sixty-seven million, seven hundred ninety-two thousand, four hundred twelve".