7329438656 has 28 divisors (see below), whose sum is σ = 15045888120. Its totient is φ = 3538348800.

The previous prime is 7329438643. The next prime is 7329438659. The reversal of 7329438656 is 6568349237.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7329438598 and 7329438607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7329438659) 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, 1972670 + ... + 1976381.

Almost surely, 2^7329438656 is an apocalyptic number.

It is an amenable number.

7329438656 is an abundant number, since it is smaller than the sum of its proper divisors (7716449464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7329438656 is a wasteful number, since it uses less digits than its factorization.

7329438656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949092 (or 3949082 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 53.

The square root of 7329438656 is about 85612.1408212644. The cubic root of 7329438656 is about 1942.4815602381.

The spelling of 7329438656 in words is "seven billion, three hundred twenty-nine million, four hundred thirty-eight thousand, six hundred fifty-six".