27109072 has 20 divisors (see below), whose sum is σ = 52620516. Its totient is φ = 13529600.

The previous prime is 27109057. The next prime is 27109073. The reversal of 27109072 is 27090172.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25160256 + 1948816 = 5016^2 + 1396^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27109072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27109073) 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 3 ways as a sum of consecutive naturals, for example, 10008 + ... + 12424.

Almost surely, 2^27109072 is an apocalyptic number.

It is an amenable number.

27109072 is a deficient number, since it is larger than the sum of its proper divisors (25511444).

27109072 is a wasteful number, since it uses less digits than its factorization.

27109072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126 (or 3120 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 27109072 is about 5206.6373025207. The cubic root of 27109072 is about 300.4034276144.

The spelling of 27109072 in words is "twenty-seven million, one hundred nine thousand, seventy-two".