27144340 has 24 divisors (see below), whose sum is σ = 57235752. Its totient is φ = 10813440.

The previous prime is 27144323. The next prime is 27144353. The reversal of 27144340 is 4344172.

27144340 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 4 ways, for example, as 5035536 + 22108804 = 2244^2 + 4702^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2500 + ... + 7780.

It is an arithmetic number, because the mean of its divisors is an integer number (2384823).

Almost surely, 2^27144340 is an apocalyptic number.

27144340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27144340 is an abundant number, since it is smaller than the sum of its proper divisors (30091412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27144340 is a wasteful number, since it uses less digits than its factorization.

27144340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5547 (or 5545 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 27144340 is about 5210.0230325786. The cubic root of 27144340 is about 300.5336427810.

The spelling of 27144340 in words is "twenty-seven million, one hundred forty-four thousand, three hundred forty".