7901975 has 12 divisors (see below), whose sum is σ = 9924960. Its totient is φ = 6240000.

The previous prime is 7901947. The next prime is 7901983. The reversal of 7901975 is 5791097.

It is not a de Polignac number, because 7901975 - 2¹⁸ = 7639831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26 + ... + 3975.

It is an arithmetic number, because the mean of its divisors is an integer number (827080).

Almost surely, 2^7901975 is an apocalyptic number.

7901975 is a deficient number, since it is larger than the sum of its proper divisors (2022985).

7901975 is a wasteful number, since it uses less digits than its factorization.

7901975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090 (or 4085 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 38.

The square root of 7901975 is about 2811.0451792883. The cubic root of 7901975 is about 199.1797656769.

The spelling of 7901975 in words is "seven million, nine hundred one thousand, nine hundred seventy-five".