27927345 has 16 divisors (see below), whose sum is σ = 47312640. Its totient is φ = 14018304.

The previous prime is 27927337. The next prime is 27927349. The reversal of 27927345 is 54372972.

It is not a de Polignac number, because 27927345 - 2³ = 27927337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27927349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54505 + ... + 55014.

It is an arithmetic number, because the mean of its divisors is an integer number (2957040).

Almost surely, 2^27927345 is an apocalyptic number.

It is an amenable number.

27927345 is a deficient number, since it is larger than the sum of its proper divisors (19385295).

27927345 is a wasteful number, since it uses less digits than its factorization.

27927345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109544.

The product of its digits is 105840, while the sum is 39.

The square root of 27927345 is about 5284.6329106192. The cubic root of 27927345 is about 303.3960228145.

The spelling of 27927345 in words is "twenty-seven million, nine hundred twenty-seven thousand, three hundred forty-five".