7713386720 has 96 divisors (see below), whose sum is σ = 20478007872. Its totient is φ = 2724175872.

The previous prime is 7713386719. The next prime is 7713386729. The reversal of 7713386720 is 276833177.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7713386729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32777 + ... + 128456.

It is an arithmetic number, because the mean of its divisors is an integer number (213312582).

Almost surely, 2^7713386720 is an apocalyptic number.

It is an amenable number.

7713386720 is an abundant number, since it is smaller than the sum of its proper divisors (12764621152).

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

7713386720 is a wasteful number, since it uses less digits than its factorization.

7713386720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161284 (or 161276 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 7713386720 is about 87825.8886661558. Note that the first 3 decimals coincide. The cubic root of 7713386720 is about 1975.8245103047.

The spelling of 7713386720 in words is "seven billion, seven hundred thirteen million, three hundred eighty-six thousand, seven hundred twenty".