27244129 has 4 divisors (see below), whose sum is σ = 29720880. Its totient is φ = 24767380.

The previous prime is 27244103. The next prime is 27244141. The reversal of 27244129 is 92144272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27244129 - 2⁵ = 27244097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27244129.

It is not an unprimeable number, because it can be changed into a prime (27244229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238359 + ... + 1238380.

It is an arithmetic number, because the mean of its divisors is an integer number (7430220).

Almost surely, 2^27244129 is an apocalyptic number.

It is an amenable number.

27244129 is a deficient number, since it is larger than the sum of its proper divisors (2476751).

27244129 is a wasteful number, since it uses less digits than its factorization.

27244129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476750.

The product of its digits is 8064, while the sum is 31.

The square root of 27244129 is about 5219.5908843510. The cubic root of 27244129 is about 300.9014699414.

The spelling of 27244129 in words is "twenty-seven million, two hundred forty-four thousand, one hundred twenty-nine".