27711242 has 8 divisors (see below), whose sum is σ = 44764356. Its totient is φ = 12789792.

The previous prime is 27711239. The next prime is 27711283. The reversal of 27711242 is 24211772.

It can be written as a sum of positive squares in 2 ways, for example, as 25090081 + 2621161 = 5009^2 + 1619^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 1065817 = 27711242 / (2 + 7 + 7 + 1 + 1 + 2 + 4 + 2).

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 3 ways as a sum of consecutive naturals, for example, 532883 + ... + 532934.

Almost surely, 2^27711242 is an apocalyptic number.

27711242 is a deficient number, since it is larger than the sum of its proper divisors (17053114).

27711242 is a wasteful number, since it uses less digits than its factorization.

27711242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065832.

The product of its digits is 1568, while the sum is 26.

The square root of 27711242 is about 5264.1468444564. The cubic root of 27711242 is about 302.6114317516.

The spelling of 27711242 in words is "twenty-seven million, seven hundred eleven thousand, two hundred forty-two".