27110945 has 4 divisors (see below), whose sum is σ = 32533140. Its totient is φ = 21688752.

The previous prime is 27110933. The next prime is 27110953. The reversal of 27110945 is 54901172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2825761 + 24285184 = 1681^2 + 4928^2 .

It is a cyclic number.

It is not a de Polignac number, because 27110945 - 2⁸ = 27110689 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2711090 + ... + 2711099.

It is an arithmetic number, because the mean of its divisors is an integer number (8133285).

Almost surely, 2^27110945 is an apocalyptic number.

It is an amenable number.

27110945 is a deficient number, since it is larger than the sum of its proper divisors (5422195).

27110945 is an equidigital number, since it uses as much as digits as its factorization.

27110945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422194.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 27110945 is about 5206.8171659854. The cubic root of 27110945 is about 300.4103458724.

The spelling of 27110945 in words is "twenty-seven million, one hundred ten thousand, nine hundred forty-five".