7945317 has 16 divisors (see below), whose sum is σ = 11889280. Its totient is φ = 5243616.

The previous prime is 7945313. The next prime is 7945319. The reversal of 7945317 is 7135497.

It is a happy number.

It is not a de Polignac number, because 7945317 - 2² = 7945313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7945313) 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 15 ways as a sum of consecutive naturals, for example, 1353 + ... + 4209.

It is an arithmetic number, because the mean of its divisors is an integer number (743080).

Almost surely, 2^7945317 is an apocalyptic number.

It is an amenable number.

7945317 is a deficient number, since it is larger than the sum of its proper divisors (3943963).

7945317 is a wasteful number, since it uses less digits than its factorization.

7945317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969 (or 2963 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 7945317 is about 2818.7438691729. The cubic root of 7945317 is about 199.5432660980.

The spelling of 7945317 in words is "seven million, nine hundred forty-five thousand, three hundred seventeen".