667427336 has 16 divisors (see below), whose sum is σ = 1252270800. Its totient is φ = 333488464.

The previous prime is 667427329. The next prime is 667427351. The reversal of 667427336 is 633724766.

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, 15206 + ... + 39573.

It is an arithmetic number, because the mean of its divisors is an integer number (78266925).

Almost surely, 2^667427336 is an apocalyptic number.

It is an amenable number.

667427336 is a deficient number, since it is larger than the sum of its proper divisors (584843464).

667427336 is a wasteful number, since it uses less digits than its factorization.

667427336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56308 (or 56304 counting only the distinct ones).

The product of its digits is 762048, while the sum is 44.

The square root of 667427336 is about 25834.6150735791. The cubic root of 667427336 is about 873.9125913839.

The spelling of 667427336 in words is "six hundred sixty-seven million, four hundred twenty-seven thousand, three hundred thirty-six".