27000042 has 8 divisors (see below), whose sum is σ = 54000096. Its totient is φ = 9000012.

The previous prime is 27000041. The next prime is 27000049. The reversal of 27000042 is 24000072.

It is a sphenic number, since it is the product of 3 distinct primes.

27000042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 26999985 and 27000030.

It is not an unprimeable number, because it can be changed into a prime (27000041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2249998 + ... + 2250009.

It is an arithmetic number, because the mean of its divisors is an integer number (6750012).

Almost surely, 2^27000042 is an apocalyptic number.

27000042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27000042 is a wasteful number, since it uses less digits than its factorization.

27000042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500012.

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 27000042 is about 5196.1564641569. The cubic root of 27000042 is about 300.0001555555. Note that the first 3 decimals are identical.

The spelling of 27000042 in words is "twenty-seven million, forty-two", and thus it is an aban number and an uban number.