27245535172 has 24 divisors (see below), whose sum is σ = 48388499712. Its totient is φ = 13420545600.

The previous prime is 27245535167. The next prime is 27245535179. The reversal of 27245535172 is 27153554272.

It is not an unprimeable number, because it can be changed into a prime (27245535179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338853 + ... + 411475.

It is an arithmetic number, because the mean of its divisors is an integer number (2016187488).

Almost surely, 2^27245535172 is an apocalyptic number.

It is an amenable number.

27245535172 is a deficient number, since it is larger than the sum of its proper divisors (21142964540).

27245535172 is a wasteful number, since it uses less digits than its factorization.

27245535172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74019 (or 74017 counting only the distinct ones).

The product of its digits is 588000, while the sum is 43.

The spelling of 27245535172 in words is "twenty-seven billion, two hundred forty-five million, five hundred thirty-five thousand, one hundred seventy-two".