27271097 has 12 divisors (see below), whose sum is σ = 32325156. Its totient is φ = 22932000.

The previous prime is 27271067. The next prime is 27271129. The reversal of 27271097 is 79017272.

It can be written as a sum of positive squares in 2 ways, for example, as 13868176 + 13402921 = 3724^2 + 3661^2 .

It is not a de Polignac number, because 27271097 - 2¹⁴ = 27254713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27271007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2654 + ... + 7847.

It is an arithmetic number, because the mean of its divisors is an integer number (2693763).

Almost surely, 2^27271097 is an apocalyptic number.

It is an amenable number.

27271097 is a deficient number, since it is larger than the sum of its proper divisors (5054059).

27271097 is a wasteful number, since it uses less digits than its factorization.

27271097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10568 (or 10561 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 27271097 is about 5222.1735896081. The cubic root of 27271097 is about 301.0007211088. Note that the first 3 decimals are identical.

The spelling of 27271097 in words is "twenty-seven million, two hundred seventy-one thousand, ninety-seven".