27444136 has 8 divisors (see below), whose sum is σ = 51457770. Its totient is φ = 13722064.

The previous prime is 27444133. The next prime is 27444139. The reversal of 27444136 is 63144472.

It is an interprime number because it is at equal distance from previous prime (27444133) and next prime (27444139).

It can be written as a sum of positive squares in only one way, i.e., 15952036 + 11492100 = 3994^2 + 3390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 27444098 and 27444107.

It is not an unprimeable number, because it can be changed into a prime (27444133) 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 as a sum of consecutive naturals, namely, 1715251 + ... + 1715266.

Almost surely, 2^27444136 is an apocalyptic number.

It is an amenable number.

27444136 is a deficient number, since it is larger than the sum of its proper divisors (24013634).

27444136 is a wasteful number, since it uses less digits than its factorization.

27444136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430523 (or 3430519 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 27444136 is about 5238.7151096428. The cubic root of 27444136 is about 301.6360101661.

The spelling of 27444136 in words is "twenty-seven million, four hundred forty-four thousand, one hundred thirty-six".