7963975 has 6 divisors (see below), whose sum is σ = 9875360. Its totient is φ = 6371160.

The previous prime is 7963961. The next prime is 7963981. The reversal of 7963975 is 5793697.

It is not a de Polignac number, because 7963975 - 2⁷ = 7963847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159255 + ... + 159304.

Almost surely, 2^7963975 is an apocalyptic number.

7963975 is a deficient number, since it is larger than the sum of its proper divisors (1911385).

7963975 is a wasteful number, since it uses less digits than its factorization.

7963975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318569 (or 318564 counting only the distinct ones).

The product of its digits is 357210, while the sum is 46.

The square root of 7963975 is about 2822.0515587069. The cubic root of 7963975 is about 199.6993399107.

The spelling of 7963975 in words is "seven million, nine hundred sixty-three thousand, nine hundred seventy-five".