27111442 has 16 divisors (see below), whose sum is σ = 42976800. Its totient is φ = 12791520.

The previous prime is 27111439. The next prime is 27111449. The reversal of 27111442 is 24411172.

It is not an unprimeable number, because it can be changed into a prime (27111449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9409 + ... + 11947.

It is an arithmetic number, because the mean of its divisors is an integer number (2686050).

Almost surely, 2^27111442 is an apocalyptic number.

27111442 is a deficient number, since it is larger than the sum of its proper divisors (15865358).

27111442 is a wasteful number, since it uses less digits than its factorization.

27111442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841.

The product of its digits is 448, while the sum is 22.

The square root of 27111442 is about 5206.8648916599. The cubic root of 27111442 is about 300.4121815766.

The spelling of 27111442 in words is "twenty-seven million, one hundred eleven thousand, four hundred forty-two".