27141869 has 4 divisors (see below), whose sum is σ = 27190140. Its totient is φ = 27093600.

The previous prime is 27141859. The next prime is 27141871. The reversal of 27141869 is 96814172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7896100 + 19245769 = 2810^2 + 4387^2 .

It is a cyclic number.

It is not a de Polignac number, because 27141869 - 2⁴ = 27141853 is a prime.

It is a super-2 number, since 2×27141869² = 1473362105626322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27141859) 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, 23282 + ... + 24419.

It is an arithmetic number, because the mean of its divisors is an integer number (6797535).

Almost surely, 2^27141869 is an apocalyptic number.

It is an amenable number.

27141869 is a deficient number, since it is larger than the sum of its proper divisors (48271).

27141869 is an equidigital number, since it uses as much as digits as its factorization.

27141869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48270.

The product of its digits is 24192, while the sum is 38.

The square root of 27141869 is about 5209.7858881148. The cubic root of 27141869 is about 300.5245231246.

The spelling of 27141869 in words is "twenty-seven million, one hundred forty-one thousand, eight hundred sixty-nine".