27147966 has 8 divisors (see below), whose sum is σ = 54295944. Its totient is φ = 9049320.

The previous prime is 27147947. The next prime is 27147977. The reversal of 27147966 is 66974172.

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

27147966 is an admirable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2262325 + ... + 2262336.

It is an arithmetic number, because the mean of its divisors is an integer number (6786993).

Almost surely, 2^27147966 is an apocalyptic number.

27147966 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.

27147966 is a wasteful number, since it uses less digits than its factorization.

27147966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524666.

The product of its digits is 127008, while the sum is 42.

The square root of 27147966 is about 5210.3710040649. The cubic root of 27147966 is about 300.5470241645.

The spelling of 27147966 in words is "twenty-seven million, one hundred forty-seven thousand, nine hundred sixty-six".