27664122 has 8 divisors (see below), whose sum is σ = 55328256. Its totient is φ = 9221372.

The previous prime is 27664111. The next prime is 27664127. The reversal of 27664122 is 22146672.

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

27664122 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 27664122.

It is not an unprimeable number, because it can be changed into a prime (27664127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2305338 + ... + 2305349.

It is an arithmetic number, because the mean of its divisors is an integer number (6916032).

Almost surely, 2^27664122 is an apocalyptic number.

27664122 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.

27664122 is a wasteful number, since it uses less digits than its factorization.

27664122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610692.

The product of its digits is 8064, while the sum is 30.

The square root of 27664122 is about 5259.6693812444. The cubic root of 27664122 is about 302.4398149964.

The spelling of 27664122 in words is "twenty-seven million, six hundred sixty-four thousand, one hundred twenty-two".