27075081 has 12 divisors (see below), whose sum is σ = 39680816. Its totient is φ = 16408920.

The previous prime is 27075077. The next prime is 27075109. The reversal of 27075081 is 18057072.

It is a happy number.

It is not a de Polignac number, because 27075081 - 2² = 27075077 is a prime.

It is a super-2 number, since 2×27075081² = 1466120022313122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27075011) 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, 36931 + ... + 37656.

Almost surely, 2^27075081 is an apocalyptic number.

It is an amenable number.

27075081 is a deficient number, since it is larger than the sum of its proper divisors (12605735).

27075081 is a wasteful number, since it uses less digits than its factorization.

27075081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74612 (or 74601 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 27075081 is about 5203.3720797191. The cubic root of 27075081 is about 300.2778204177.

Subtracting from 27075081 its reverse (18057072), we obtain a square (9018009 = 3003²).

The spelling of 27075081 in words is "twenty-seven million, seventy-five thousand, eighty-one".