27099429 has 16 divisors (see below), whose sum is σ = 42411648. Its totient is φ = 15066432.

The previous prime is 27099421. The next prime is 27099431. The reversal of 27099429 is 92499072.

It is not a de Polignac number, because 27099429 - 2³ = 27099421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27099421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16662 + ... + 18215.

It is an arithmetic number, because the mean of its divisors is an integer number (2650728).

Almost surely, 2^27099429 is an apocalyptic number.

It is an amenable number.

27099429 is a deficient number, since it is larger than the sum of its proper divisors (15312219).

27099429 is a wasteful number, since it uses less digits than its factorization.

27099429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34924.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 27099429 is about 5205.7111906059. The cubic root of 27099429 is about 300.3678044376.

It can be divided in two parts, 270 and 99429, that added together give a palindrome (99699).

The spelling of 27099429 in words is "twenty-seven million, ninety-nine thousand, four hundred twenty-nine".