667430714 has 8 divisors (see below), whose sum is σ = 1001370720. Its totient is φ = 333640476.

The previous prime is 667430671. The next prime is 667430719. The reversal of 667430714 is 417034766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (667430719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25544 + ... + 44579.

It is an arithmetic number, because the mean of its divisors is an integer number (125171340).

Almost surely, 2^667430714 is an apocalyptic number.

667430714 is a deficient number, since it is larger than the sum of its proper divisors (333940006).

667430714 is a wasteful number, since it uses less digits than its factorization.

667430714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74884.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 667430714 is about 25834.6804508978. The cubic root of 667430714 is about 873.9140657375.

The spelling of 667430714 in words is "six hundred sixty-seven million, four hundred thirty thousand, seven hundred fourteen".