27995042 has 8 divisors (see below), whose sum is σ = 42167532. Its totient is φ = 13939440.

The previous prime is 27995041. The next prime is 27995047. The reversal of 27995042 is 24059972.

27995042 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 27994681 + 361 = 5291^2 + 19^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27994987 and 27995005.

It is not an unprimeable number, because it can be changed into a prime (27995041) by changing a digit.

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, 116042 + ... + 116282.

Almost surely, 2^27995042 is an apocalyptic number.

27995042 is a deficient number, since it is larger than the sum of its proper divisors (14172490).

27995042 is an frugal number, since it uses more digits than its factorization.

27995042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 27995042 is about 5291.0341144241. The cubic root of 27995042 is about 303.6409730247.

The spelling of 27995042 in words is "twenty-seven million, nine hundred ninety-five thousand, forty-two".