27517242 has 8 divisors (see below), whose sum is σ = 55034496. Its totient is φ = 9172412.

The previous prime is 27517241. The next prime is 27517309. The reversal of 27517242 is 24271572.

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

27517242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (27517241) 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, 2293098 + ... + 2293109.

It is an arithmetic number, because the mean of its divisors is an integer number (6879312).

Almost surely, 2^27517242 is an apocalyptic number.

27517242 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.

27517242 is a wasteful number, since it uses less digits than its factorization.

27517242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586212.

The product of its digits is 7840, while the sum is 30.

The square root of 27517242 is about 5245.6879434446. The cubic root of 27517242 is about 301.9036065034.

The spelling of 27517242 in words is "twenty-seven million, five hundred seventeen thousand, two hundred forty-two".