27127429 has 12 divisors (see below), whose sum is σ = 32031264. Its totient is φ = 22902264.

The previous prime is 27127417. The next prime is 27127439. The reversal of 27127429 is 92472172.

It is a happy number.

It is not a de Polignac number, because 27127429 - 2¹³ = 27119237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27127394 and 27127403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27127409) 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, 849 + ... + 7414.

It is an arithmetic number, because the mean of its divisors is an integer number (2669272).

Almost surely, 2^27127429 is an apocalyptic number.

It is an amenable number.

27127429 is a deficient number, since it is larger than the sum of its proper divisors (4903835).

27127429 is an equidigital number, since it uses as much as digits as its factorization.

27127429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8344 (or 8337 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 27127429 is about 5208.3998502419. The cubic root of 27127429 is about 300.4712187148.

It can be divided in two parts, 27127 and 429, that added together give a square (27556 = 166²).

The spelling of 27127429 in words is "twenty-seven million, one hundred twenty-seven thousand, four hundred twenty-nine".