27380442 has 16 divisors (see below), whose sum is σ = 57142080. Its totient is φ = 8729952.

The previous prime is 27380429. The next prime is 27380453. The reversal of 27380442 is 24408372.

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 7 ways as a sum of consecutive naturals, for example, 99067 + ... + 99342.

It is an arithmetic number, because the mean of its divisors is an integer number (3571380).

Almost surely, 2^27380442 is an apocalyptic number.

27380442 is an abundant number, since it is smaller than the sum of its proper divisors (29761638).

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

27380442 is a wasteful number, since it uses less digits than its factorization.

27380442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198437.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 27380442 is about 5232.6324159069. The cubic root of 27380442 is about 301.4024777480.

The spelling of 27380442 in words is "twenty-seven million, three hundred eighty thousand, four hundred forty-two".