7668368 has 20 divisors (see below), whose sum is σ = 14997180. Its totient is φ = 3798144.

The previous prime is 7668337. The next prime is 7668389. The reversal of 7668368 is 8638667.

It can be written as a sum of positive squares in 2 ways, for example, as 4528384 + 3139984 = 2128^2 + 1772^2 .

It is an Ulam 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, 455 + ... + 3942.

It is an arithmetic number, because the mean of its divisors is an integer number (749859).

Almost surely, 2^7668368 is an apocalyptic number.

It is an amenable number.

7668368 is a deficient number, since it is larger than the sum of its proper divisors (7328812).

7668368 is a wasteful number, since it uses less digits than its factorization.

7668368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514 (or 4508 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 7668368 is about 2769.1818286274. The cubic root of 7668368 is about 197.1973080506.

Subtracting 7668368 from its reverse (8638667), we obtain a cube (970299 = 99³).

The spelling of 7668368 in words is "seven million, six hundred sixty-eight thousand, three hundred sixty-eight".