27312117 has 32 divisors (see below), whose sum is σ = 42823680. Its totient is φ = 15163200.

The previous prime is 27312107. The next prime is 27312133. The reversal of 27312117 is 71121372.

It is not a de Polignac number, because 27312117 - 2⁷ = 27311989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27312107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167478 + ... + 167640.

It is an arithmetic number, because the mean of its divisors is an integer number (1338240).

Almost surely, 2^27312117 is an apocalyptic number.

It is an amenable number.

27312117 is a deficient number, since it is larger than the sum of its proper divisors (15511563).

27312117 is a wasteful number, since it uses less digits than its factorization.

27312117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353.

The product of its digits is 588, while the sum is 24.

The square root of 27312117 is about 5226.0995972140. The cubic root of 27312117 is about 301.1515629092.

Adding to 27312117 its reverse (71121372), we get a palindrome (98433489).

The spelling of 27312117 in words is "twenty-seven million, three hundred twelve thousand, one hundred seventeen".