27734121 has 12 divisors (see below), whose sum is σ = 41442180. Its totient is φ = 17851680.

The previous prime is 27734117. The next prime is 27734173. The reversal of 27734121 is 12143772.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4347225 + 23386896 = 2085^2 + 4836^2 .

It is not a de Polignac number, because 27734121 - 2² = 27734117 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27734101) 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, 52870 + ... + 53391.

It is an arithmetic number, because the mean of its divisors is an integer number (3453515).

Almost surely, 2^27734121 is an apocalyptic number.

It is an amenable number.

27734121 is a deficient number, since it is larger than the sum of its proper divisors (13708059).

27734121 is a wasteful number, since it uses less digits than its factorization.

27734121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106296 (or 106293 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 27734121 is about 5266.3194927767. The cubic root of 27734121 is about 302.6946896876.

Adding to 27734121 its reverse (12143772), we get a palindrome (39877893).

The spelling of 27734121 in words is "twenty-seven million, seven hundred thirty-four thousand, one hundred twenty-one".