27065966 has 4 divisors (see below), whose sum is σ = 40598952. Its totient is φ = 13532982.

The previous prime is 27065957. The next prime is 27065993. The reversal of 27065966 is 66956072.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6766490 + ... + 6766493.

It is an arithmetic number, because the mean of its divisors is an integer number (10149738).

Almost surely, 2^27065966 is an apocalyptic number.

27065966 is a deficient number, since it is larger than the sum of its proper divisors (13532986).

27065966 is a wasteful number, since it uses less digits than its factorization.

27065966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13532985.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 27065966 is about 5202.4961316660. The cubic root of 27065966 is about 300.2441198164.

The spelling of 27065966 in words is "twenty-seven million, sixty-five thousand, nine hundred sixty-six".