7968290731 has 4 divisors (see below), whose sum is σ = 7976020464. Its totient is φ = 7960561000.

The previous prime is 7968290717. The next prime is 7968290753. The reversal of 7968290731 is 1370928697.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7968290731 - 2⁹ = 7968290219 is a prime.

It is a super-2 number, since 2×7968290731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7968293731) 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, 3863320 + ... + 3865381.

It is an arithmetic number, because the mean of its divisors is an integer number (1994005116).

Almost surely, 2^7968290731 is an apocalyptic number.

7968290731 is a deficient number, since it is larger than the sum of its proper divisors (7729733).

7968290731 is a wasteful number, since it uses less digits than its factorization.

7968290731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7729732.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 7968290731 is about 89265.2828987843. The cubic root of 7968290731 is about 1997.3540619663.

The spelling of 7968290731 in words is "seven billion, nine hundred sixty-eight million, two hundred ninety thousand, seven hundred thirty-one".