7968291 has 8 divisors (see below), whose sum is σ = 11249424. Its totient is φ = 4999680.

The previous prime is 7968229. The next prime is 7968299. The reversal of 7968291 is 1928697.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7968291 - 2²¹ = 5871139 is a prime.

It is a super-2 number, since 2×7968291² = 126987322921362, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7968299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78070 + ... + 78171.

It is an arithmetic number, because the mean of its divisors is an integer number (1406178).

Almost surely, 2^7968291 is an apocalyptic number.

7968291 is a deficient number, since it is larger than the sum of its proper divisors (3281133).

7968291 is a wasteful number, since it uses less digits than its factorization.

7968291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156261.

The product of its digits is 54432, while the sum is 42.

The square root of 7968291 is about 2822.8161470418. The cubic root of 7968291 is about 199.7354084442.

The spelling of 7968291 in words is "seven million, nine hundred sixty-eight thousand, two hundred ninety-one".