7326138868 has 24 divisors (see below), whose sum is σ = 12908657664. Its totient is φ = 3638013600.

The previous prime is 7326138851. The next prime is 7326138877. The reversal of 7326138868 is 8688316237.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486898 + ... + 501718.

It is an arithmetic number, because the mean of its divisors is an integer number (537860736).

Almost surely, 2^7326138868 is an apocalyptic number.

It is an amenable number.

7326138868 is a deficient number, since it is larger than the sum of its proper divisors (5582518796).

7326138868 is a wasteful number, since it uses less digits than its factorization.

7326138868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15663 (or 15661 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 7326138868 is about 85592.8669224253. The cubic root of 7326138868 is about 1942.1900081471.

The spelling of 7326138868 in words is "seven billion, three hundred twenty-six million, one hundred thirty-eight thousand, eight hundred sixty-eight".