27187242 has 16 divisors (see below), whose sum is σ = 56738880. Its totient is φ = 8668352.

The previous prime is 27187241. The next prime is 27187243. The reversal of 27187242 is 24278172.

27187242 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (27187241) and next prime (27187243).

It is a super-2 number, since 2×27187242² = 1478292255133128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27187241) 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 7 ways as a sum of consecutive naturals, for example, 98367 + ... + 98642.

It is an arithmetic number, because the mean of its divisors is an integer number (3546180).

Almost surely, 2^27187242 is an apocalyptic number.

27187242 is an abundant number, since it is smaller than the sum of its proper divisors (29551638).

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

27187242 is a wasteful number, since it uses less digits than its factorization.

27187242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197037.

The product of its digits is 12544, while the sum is 33.

The square root of 27187242 is about 5214.1386632885. The cubic root of 27187242 is about 300.6918919473.

The spelling of 27187242 in words is "twenty-seven million, one hundred eighty-seven thousand, two hundred forty-two".