27144966 has 16 divisors (see below), whose sum is σ = 54525744. Its totient is φ = 9009024.

The previous prime is 27144961. The next prime is 27144967. The reversal of 27144966 is 66944172.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27144961) 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, 8311 + ... + 11106.

It is an arithmetic number, because the mean of its divisors is an integer number (3407859).

Almost surely, 2^27144966 is an apocalyptic number.

27144966 is an abundant number, since it is smaller than the sum of its proper divisors (27380778).

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

27144966 is a wasteful number, since it uses less digits than its factorization.

27144966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19655.

The product of its digits is 72576, while the sum is 39.

The square root of 27144966 is about 5210.0831087421. The cubic root of 27144966 is about 300.5359530553.

The spelling of 27144966 in words is "twenty-seven million, one hundred forty-four thousand, nine hundred sixty-six".