27449073 has 12 divisors (see below), whose sum is σ = 40042548. Its totient is φ = 18117600.

The previous prime is 27449063. The next prime is 27449077. The reversal of 27449073 is 37094472.

It can be written as a sum of positive squares in 2 ways, for example, as 18249984 + 9199089 = 4272^2 + 3033^2 .

It is not a de Polignac number, because 27449073 - 2¹⁶ = 27383537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27449077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14190 + ... + 16007.

It is an arithmetic number, because the mean of its divisors is an integer number (3336879).

Almost surely, 2^27449073 is an apocalyptic number.

It is an amenable number.

27449073 is a deficient number, since it is larger than the sum of its proper divisors (12593475).

27449073 is a wasteful number, since it uses less digits than its factorization.

27449073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30304 (or 30301 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 27449073 is about 5239.1862917823. The cubic root of 27449073 is about 301.6540964547.

The spelling of 27449073 in words is "twenty-seven million, four hundred forty-nine thousand, seventy-three".