27316243 has 4 divisors (see below), whose sum is σ = 28753960. Its totient is φ = 25878528.

The previous prime is 27316189. The next prime is 27316279. The reversal of 27316243 is 34261372.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27316243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27316343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718830 + ... + 718867.

It is an arithmetic number, because the mean of its divisors is an integer number (7188490).

Almost surely, 2^27316243 is an apocalyptic number.

27316243 is a deficient number, since it is larger than the sum of its proper divisors (1437717).

27316243 is a wasteful number, since it uses less digits than its factorization.

27316243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437716.

The product of its digits is 6048, while the sum is 28.

The square root of 27316243 is about 5226.4943317677. The cubic root of 27316243 is about 301.1667269819.

The spelling of 27316243 in words is "twenty-seven million, three hundred sixteen thousand, two hundred forty-three".