7905668 has 12 divisors (see below), whose sum is σ = 13865040. Its totient is φ = 3944232.

The previous prime is 7905659. The next prime is 7905671. The reversal of 7905668 is 8665097.

It is a happy number.

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, 203 + ... + 3981.

It is an arithmetic number, because the mean of its divisors is an integer number (1155420).

Almost surely, 2^7905668 is an apocalyptic number.

It is an amenable number.

7905668 is a deficient number, since it is larger than the sum of its proper divisors (5959372).

7905668 is a wasteful number, since it uses less digits than its factorization.

7905668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306 (or 4304 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 7905668 is about 2811.7019756724. The cubic root of 7905668 is about 199.2107898329.

The spelling of 7905668 in words is "seven million, nine hundred five thousand, six hundred sixty-eight".