7968917 has 4 divisors (see below), whose sum is σ = 8693376. Its totient is φ = 7244460.

The previous prime is 7968911. The next prime is 7968941. The reversal of 7968917 is 7198697.

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: 7198697 = 11 ⋅654427.

It is a cyclic number.

It is not a de Polignac number, because 7968917 - 2⁶ = 7968853 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 (7968911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362213 + ... + 362234.

It is an arithmetic number, because the mean of its divisors is an integer number (2173344).

Almost surely, 2^7968917 is an apocalyptic number.

It is an amenable number.

7968917 is a deficient number, since it is larger than the sum of its proper divisors (724459).

7968917 is a wasteful number, since it uses less digits than its factorization.

7968917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724458.

The product of its digits is 190512, while the sum is 47.

The square root of 7968917 is about 2822.9270270413. The cubic root of 7968917 is about 199.7406388042.

The spelling of 7968917 in words is "seven million, nine hundred sixty-eight thousand, nine hundred seventeen".