27944372 has 6 divisors (see below), whose sum is σ = 48902658. Its totient is φ = 13972184.

The previous prime is 27944369. The next prime is 27944387. The reversal of 27944372 is 27344972.

It can be written as a sum of positive squares in only one way, i.e., 27920656 + 23716 = 5284^2 + 154^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3493043 + ... + 3493050.

It is an arithmetic number, because the mean of its divisors is an integer number (8150443).

Almost surely, 2^27944372 is an apocalyptic number.

It is an amenable number.

27944372 is a deficient number, since it is larger than the sum of its proper divisors (20958286).

27944372 is a wasteful number, since it uses less digits than its factorization.

27944372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6986097 (or 6986095 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 27944372 is about 5286.2436568891. The cubic root of 27944372 is about 303.4576693783.

The spelling of 27944372 in words is "twenty-seven million, nine hundred forty-four thousand, three hundred seventy-two".