27144901 has 16 divisors (see below), whose sum is σ = 33062400. Its totient is φ = 21768048.

The previous prime is 27144889. The next prime is 27144907. The reversal of 27144901 is 10944172.

It is a cyclic number.

It is not a de Polignac number, because 27144901 - 2⁷ = 27144773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27144901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27144907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9810 + ... + 12268.

It is an arithmetic number, because the mean of its divisors is an integer number (2066400).

Almost surely, 2^27144901 is an apocalyptic number.

It is an amenable number.

27144901 is a deficient number, since it is larger than the sum of its proper divisors (5917499).

27144901 is a wasteful number, since it uses less digits than its factorization.

27144901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 27144901 is about 5210.0768708341. The cubic root of 27144901 is about 300.5357131723.

The spelling of 27144901 in words is "twenty-seven million, one hundred forty-four thousand, nine hundred one".