7729607136772 has 12 divisors (see below), whose sum is σ = 13526832997440. Its totient is φ = 3864797708936.

The previous prime is 7729607136739. The next prime is 7729607136803. The reversal of 7729607136772 is 2776317069277.

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, 3048129 + ... + 4974967.

It is an arithmetic number, because the mean of its divisors is an integer number (1127236083120).

Almost surely, 2^{7729607136772} is an apocalyptic number.

It is an amenable number.

7729607136772 is a deficient number, since it is larger than the sum of its proper divisors (5797225860668).

7729607136772 is a wasteful number, since it uses less digits than its factorization.

7729607136772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929730 (or 2929728 counting only the distinct ones).

The product of its (nonzero) digits is 65345616, while the sum is 64.

The spelling of 7729607136772 in words is "seven trillion, seven hundred twenty-nine billion, six hundred seven million, one hundred thirty-six thousand, seven hundred seventy-two".