7928668 has 24 divisors (see below), whose sum is σ = 15208704. Its totient is φ = 3586800.

The previous prime is 7928651. The next prime is 7928671. The reversal of 7928668 is 8668297.

7928668 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15903 + ... + 16393.

It is an arithmetic number, because the mean of its divisors is an integer number (633696).

Almost surely, 2^7928668 is an apocalyptic number.

It is an amenable number.

7928668 is a deficient number, since it is larger than the sum of its proper divisors (7280036).

7928668 is a wasteful number, since it uses less digits than its factorization.

7928668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 871 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 7928668 is about 2815.7890545991. The cubic root of 7928668 is about 199.4037911075.

The spelling of 7928668 in words is "seven million, nine hundred twenty-eight thousand, six hundred sixty-eight".