7994735720 has 32 divisors (see below), whose sum is σ = 18370886400. Its totient is φ = 3129853248.

The previous prime is 7994735687. The next prime is 7994735729. The reversal of 7994735720 is 275374997.

It is not an unprimeable number, because it can be changed into a prime (7994735729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2124380 + ... + 2128139.

It is an arithmetic number, because the mean of its divisors is an integer number (574090200).

Almost surely, 2^7994735720 is an apocalyptic number.

It is an amenable number.

7994735720 is an abundant number, since it is smaller than the sum of its proper divisors (10376150680).

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

7994735720 is a wasteful number, since it uses less digits than its factorization.

7994735720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252577 (or 4252573 counting only the distinct ones).

The product of its (nonzero) digits is 3333960, while the sum is 53.

The square root of 7994735720 is about 89413.2860373670. The cubic root of 7994735720 is about 1999.5612137403.

The spelling of 7994735720 in words is "seven billion, nine hundred ninety-four million, seven hundred thirty-five thousand, seven hundred twenty".