27018147 has 16 divisors (see below), whose sum is σ = 39699968. Its totient is φ = 16238880.

The previous prime is 27018137. The next prime is 27018161. The reversal of 27018147 is 74181072.

It is not a de Polignac number, because 27018147 - 2²⁴ = 10240931 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27018137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6379 + ... + 9732.

It is an arithmetic number, because the mean of its divisors is an integer number (2481248).

Almost surely, 2^27018147 is an apocalyptic number.

27018147 is a deficient number, since it is larger than the sum of its proper divisors (12681821).

27018147 is a wasteful number, since it uses less digits than its factorization.

27018147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16170.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 27018147 is about 5197.8983252849. The cubic root of 27018147 is about 300.0671960590.

The spelling of 27018147 in words is "twenty-seven million, eighteen thousand, one hundred forty-seven".