7724481696 has 36 divisors (see below), whose sum is σ = 21966495642. Its totient is φ = 2574827136.

The previous prime is 7724481683. The next prime is 7724481701. The reversal of 7724481696 is 6961844277.

7724481696 is a `hidden beast` number, since 7 + 72 + 4 + 481 + 6 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6206288400 + 1518193296 = 78780^2 + 38964^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13410271 + ... + 13410846.

Almost surely, 2^7724481696 is an apocalyptic number.

It is an amenable number.

7724481696 is an abundant number, since it is smaller than the sum of its proper divisors (14242013946).

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

7724481696 is a wasteful number, since it uses less digits than its factorization.

7724481696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26821133 (or 26821122 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 7724481696 is about 87889.0305783378. The cubic root of 7724481696 is about 1976.7714018987.

The spelling of 7724481696 in words is "seven billion, seven hundred twenty-four million, four hundred eighty-one thousand, six hundred ninety-six".