27746574756 has 12 divisors (see below), whose sum is σ = 64742007792. Its totient is φ = 9248858248.

The previous prime is 27746574749. The next prime is 27746574767. The reversal of 27746574756 is 65747564772.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 27746574756.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156107270 + ... + 1156107293.

It is an arithmetic number, because the mean of its divisors is an integer number (5395167316).

Almost surely, 2^27746574756 is an apocalyptic number.

It is an amenable number.

27746574756 is an abundant number, since it is smaller than the sum of its proper divisors (36995433036).

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

27746574756 is a wasteful number, since it uses less digits than its factorization.

27746574756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312214570 (or 2312214568 counting only the distinct ones).

The product of its digits is 69148800, while the sum is 60.

The spelling of 27746574756 in words is "twenty-seven billion, seven hundred forty-six million, five hundred seventy-four thousand, seven hundred fifty-six".