27243242 has 16 divisors (see below), whose sum is σ = 44416680. Its totient is φ = 12457152.

The previous prime is 27243239. The next prime is 27243253. The reversal of 27243242 is 24234272.

It can be written as a sum of positive squares in 4 ways, for example, as 26822041 + 421201 = 5179^2 + 649^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1973 + ... + 7640.

Almost surely, 2^27243242 is an apocalyptic number.

27243242 is a deficient number, since it is larger than the sum of its proper divisors (17173438).

27243242 is a wasteful number, since it uses less digits than its factorization.

27243242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9737.

The product of its digits is 5376, while the sum is 26.

The square root of 27243242 is about 5219.5059153142. The cubic root of 27243242 is about 300.8982043754.

The spelling of 27243242 in words is "twenty-seven million, two hundred forty-three thousand, two hundred forty-two".