27075231 has 12 divisors (see below), whose sum is σ = 40166152. Its totient is φ = 17562096.

The previous prime is 27075229. The next prime is 27075239. The reversal of 27075231 is 13257072.

It is not a de Polignac number, because 27075231 - 2¹ = 27075229 is a prime.

It is a super-2 number, since 2×27075231² = 1466136267406722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27075195 and 27075204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27075239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40321 + ... + 40986.

Almost surely, 2^27075231 is an apocalyptic number.

27075231 is a deficient number, since it is larger than the sum of its proper divisors (13090921).

27075231 is a wasteful number, since it uses less digits than its factorization.

27075231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81350 (or 81347 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 27075231 is about 5203.3864934291. The cubic root of 27075231 is about 300.2783749447.

The spelling of 27075231 in words is "twenty-seven million, seventy-five thousand, two hundred thirty-one".