7975668 has 24 divisors (see below), whose sum is σ = 19589920. Its totient is φ = 2518560.

The previous prime is 7975651. The next prime is 7975691. The reversal of 7975668 is 8665797.

It is a super-2 number, since 2×7975668² = 127222560092448, which contains 22 as substring.

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, 17263 + ... + 17718.

Almost surely, 2^7975668 is an apocalyptic number.

It is an amenable number.

7975668 is an abundant number, since it is smaller than the sum of its proper divisors (11614252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7975668 is a wasteful number, since it uses less digits than its factorization.

7975668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35007 (or 35005 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The square root of 7975668 is about 2824.1225185887. The cubic root of 7975668 is about 199.7970274137.

The spelling of 7975668 in words is "seven million, nine hundred seventy-five thousand, six hundred sixty-eight".