27734734172 has 6 divisors (see below), whose sum is σ = 48535784808. Its totient is φ = 13867367084.

The previous prime is 27734734151. The next prime is 27734734187. The reversal of 27734734172 is 27143743772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3466841768 + ... + 3466841775.

It is an arithmetic number, because the mean of its divisors is an integer number (8089297468).

Almost surely, 2^27734734172 is an apocalyptic number.

It is an amenable number.

27734734172 is a deficient number, since it is larger than the sum of its proper divisors (20801050636).

27734734172 is a wasteful number, since it uses less digits than its factorization.

27734734172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6933683547 (or 6933683545 counting only the distinct ones).

The product of its digits is 1382976, while the sum is 47.

The spelling of 27734734172 in words is "twenty-seven billion, seven hundred thirty-four million, seven hundred thirty-four thousand, one hundred seventy-two".