27918942 has 32 divisors (see below), whose sum is σ = 60374400. Its totient is φ = 8576928.

The previous prime is 27918937. The next prime is 27918949. The reversal of 27918942 is 24981972.

It is a junction number, because it is equal to n+sod(n) for n = 27918894 and 27918903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27918949) 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 15 ways as a sum of consecutive naturals, for example, 909 + ... + 7527.

It is an arithmetic number, because the mean of its divisors is an integer number (1886700).

Almost surely, 2^27918942 is an apocalyptic number.

27918942 is an abundant number, since it is smaller than the sum of its proper divisors (32455458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27918942 is a wasteful number, since it uses less digits than its factorization.

27918942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6680.

The product of its digits is 72576, while the sum is 42.

The square root of 27918942 is about 5283.8378097743. The cubic root of 27918942 is about 303.3655903653.

The spelling of 27918942 in words is "twenty-seven million, nine hundred eighteen thousand, nine hundred forty-two".