27945093 has 32 divisors (see below), whose sum is σ = 43528320. Its totient is φ = 15759360.

The previous prime is 27945089. The next prime is 27945107. The reversal of 27945093 is 39054972.

It is not a de Polignac number, because 27945093 - 2² = 27945089 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27945053) 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 31 ways as a sum of consecutive naturals, for example, 60921 + ... + 61377.

It is an arithmetic number, because the mean of its divisors is an integer number (1360260).

Almost surely, 2^27945093 is an apocalyptic number.

It is an amenable number.

27945093 is a deficient number, since it is larger than the sum of its proper divisors (15583227).

27945093 is a wasteful number, since it uses less digits than its factorization.

27945093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 27945093 is about 5286.3118523220. The cubic root of 27945093 is about 303.4602792192.

It can be divided in two parts, 2794 and 5093, that added together give a palindrome (7887).

The spelling of 27945093 in words is "twenty-seven million, nine hundred forty-five thousand, ninety-three".