6913728208 has 20 divisors (see below), whose sum is σ = 14100367360. Its totient is φ = 3274923744.

The previous prime is 6913728193. The next prime is 6913728251. The reversal of 6913728208 is 8028273196.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11370960 + ... + 11371567.

It is an arithmetic number, because the mean of its divisors is an integer number (705018368).

Almost surely, 2^6913728208 is an apocalyptic number.

It is an amenable number.

6913728208 is an abundant number, since it is smaller than the sum of its proper divisors (7186639152).

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

6913728208 is a wasteful number, since it uses less digits than its factorization.

6913728208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22742554 (or 22742548 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 6913728208 is about 83148.8316694829. The cubic root of 6913728208 is about 1905.0400083450.

The spelling of 6913728208 in words is "six billion, nine hundred thirteen million, seven hundred twenty-eight thousand, two hundred eight".