668930234 has 8 divisors (see below), whose sum is σ = 1146737568. Its totient is φ = 286684380.

The previous prime is 668930233. The next prime is 668930239. The reversal of 668930234 is 432039866.

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

It is a junction number, because it is equal to n+sod(n) for n = 668930191 and 668930200.

It is not an unprimeable number, because it can be changed into a prime (668930233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23890352 + ... + 23890379.

It is an arithmetic number, because the mean of its divisors is an integer number (143342196).

Almost surely, 2^668930234 is an apocalyptic number.

668930234 is a deficient number, since it is larger than the sum of its proper divisors (477807334).

668930234 is a wasteful number, since it uses less digits than its factorization.

668930234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47780740.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 668930234 is about 25863.6856228961. The cubic root of 668930234 is about 874.5680519447.

The spelling of 668930234 in words is "six hundred sixty-eight million, nine hundred thirty thousand, two hundred thirty-four".