7968319 has 2 divisors, whose sum is σ = 7968320. Its totient is φ = 7968318.

The previous prime is 7968313. The next prime is 7968341. The reversal of 7968319 is 9138697.

It is a weak prime.

It is an emirp because it is prime and its reverse (9138697) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7968319 - 2²¹ = 5871167 is a prime.

It is a super-2 number, since 2×7968319² = 126988215371522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7968313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3984159 + 3984160.

It is an arithmetic number, because the mean of its divisors is an integer number (3984160).

Almost surely, 2^7968319 is an apocalyptic number.

7968319 is a deficient number, since it is larger than the sum of its proper divisors (1).

7968319 is an equidigital number, since it uses as much as digits as its factorization.

7968319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 43.

The square root of 7968319 is about 2822.8211066237. The cubic root of 7968319 is about 199.7356423959.

The spelling of 7968319 in words is "seven million, nine hundred sixty-eight thousand, three hundred nineteen".