7939995 has 16 divisors (see below), whose sum is σ = 14519040. Its totient is φ = 3629664.

The previous prime is 7939979. The next prime is 7940011. The reversal of 7939995 is 5999397.

It is an interprime number because it is at equal distance from previous prime (7939979) and next prime (7940011).

It is not a de Polignac number, because 7939995 - 2⁴ = 7939979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37705 + ... + 37914.

It is an arithmetic number, because the mean of its divisors is an integer number (907440).

Almost surely, 2^7939995 is an apocalyptic number.

7939995 is a deficient number, since it is larger than the sum of its proper divisors (6579045).

7939995 is a wasteful number, since it uses less digits than its factorization.

7939995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75634.

The product of its digits is 688905, while the sum is 51.

The square root of 7939995 is about 2817.7996735041. The cubic root of 7939995 is about 199.4987028892.

The spelling of 7939995 in words is "seven million, nine hundred thirty-nine thousand, nine hundred ninety-five".