27270081 has 8 divisors (see below), whose sum is σ = 40400160. Its totient is φ = 18180036.

The previous prime is 27270077. The next prime is 27270107. The reversal of 27270081 is 18007272.

It is not a de Polignac number, because 27270081 - 2² = 27270077 is a prime.

It is a super-2 number, since 2×27270081² = 1487314635493122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1010003 = 27270081 / (2 + 7 + 2 + 7 + 0 + 0 + 8 + 1).

It is not an unprimeable number, because it can be changed into a prime (27270071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504975 + ... + 505028.

It is an arithmetic number, because the mean of its divisors is an integer number (5050020).

Almost surely, 2^27270081 is an apocalyptic number.

It is an amenable number.

27270081 is a deficient number, since it is larger than the sum of its proper divisors (13130079).

27270081 is a wasteful number, since it uses less digits than its factorization.

27270081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010012 (or 1010006 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 27270081 is about 5222.0763112004. The cubic root of 27270081 is about 300.9969830789.

The spelling of 27270081 in words is "twenty-seven million, two hundred seventy thousand, eighty-one".