667432714 has 48 divisors (see below), whose sum is σ = 1128550752. Its totient is φ = 295648704.

The previous prime is 667432691. The next prime is 667432747. The reversal of 667432714 is 417234766.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1037677 + ... + 1038319.

It is an arithmetic number, because the mean of its divisors is an integer number (23511474).

Almost surely, 2^667432714 is an apocalyptic number.

667432714 is a deficient number, since it is larger than the sum of its proper divisors (461118038).

667432714 is a wasteful number, since it uses less digits than its factorization.

667432714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 778 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 667432714 is about 25834.7191585277. The cubic root of 667432714 is about 873.9149386503.

The spelling of 667432714 in words is "six hundred sixty-seven million, four hundred thirty-two thousand, seven hundred fourteen".