27965642 has 8 divisors (see below), whose sum is σ = 41984832. Its totient is φ = 13970700.

The previous prime is 27965621. The next prime is 27965659. The reversal of 27965642 is 24656972.

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

It is a self number, because there is not a number n which added to its sum of digits gives 27965642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2834 + ... + 7997.

It is an arithmetic number, because the mean of its divisors is an integer number (5248104).

Almost surely, 2^27965642 is an apocalyptic number.

27965642 is a deficient number, since it is larger than the sum of its proper divisors (14019190).

27965642 is a wasteful number, since it uses less digits than its factorization.

27965642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12124.

The product of its digits is 181440, while the sum is 41.

The square root of 27965642 is about 5288.2550997470. The cubic root of 27965642 is about 303.5346426317.

The spelling of 27965642 in words is "twenty-seven million, nine hundred sixty-five thousand, six hundred forty-two".