27042018 has 8 divisors (see below), whose sum is σ = 54084048. Its totient is φ = 9014004.

The previous prime is 27042017. The next prime is 27042023. The reversal of 27042018 is 81024072.

It is a sphenic number, since it is the product of 3 distinct primes.

27042018 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (27042017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253496 + ... + 2253507.

It is an arithmetic number, because the mean of its divisors is an integer number (6760506).

Almost surely, 2^27042018 is an apocalyptic number.

27042018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27042018 is a wasteful number, since it uses less digits than its factorization.

27042018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507008.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 27042018 is about 5200.1940348414. The cubic root of 27042018 is about 300.1555415644.

The spelling of 27042018 in words is "twenty-seven million, forty-two thousand, eighteen".