7975117 has 4 divisors (see below), whose sum is σ = 8394880. Its totient is φ = 7555356.

The previous prime is 7975111. The next prime is 7975133. The reversal of 7975117 is 7115797.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7115797 = 13 ⋅547369.

It is a cyclic number.

It is not a de Polignac number, because 7975117 - 2³ = 7975109 is a prime.

It is a Duffinian number.

7975117 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7975111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209853 + ... + 209890.

It is an arithmetic number, because the mean of its divisors is an integer number (2098720).

Almost surely, 2^7975117 is an apocalyptic number.

It is an amenable number.

7975117 is a deficient number, since it is larger than the sum of its proper divisors (419763).

7975117 is a wasteful number, since it uses less digits than its factorization.

7975117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419762.

The product of its digits is 15435, while the sum is 37.

The square root of 7975117 is about 2824.0249644789. The cubic root of 7975117 is about 199.7924263070.

The spelling of 7975117 in words is "seven million, nine hundred seventy-five thousand, one hundred seventeen".