27144172 has 36 divisors (see below), whose sum is σ = 55301400. Its totient is φ = 11608960.

The previous prime is 27144157. The next prime is 27144181.

27144172 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 27144172.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6579 + ... + 9877.

It is an arithmetic number, because the mean of its divisors is an integer number (1536150).

Almost surely, 2^27144172 is an apocalyptic number.

27144172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27144172 is an abundant number, since it is smaller than the sum of its proper divisors (28157228).

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

27144172 is a wasteful number, since it uses less digits than its factorization.

27144172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342 (or 3329 counting only the distinct ones).

The product of its digits is 3136, while the sum is 28.

The square root of 27144172 is about 5210.0069097843. The cubic root of 27144172 is about 300.5330227653.

It can be divided in two parts, 2714 and 4172, that added together give a palindrome (6886).

The spelling of 27144172 in words is "twenty-seven million, one hundred forty-four thousand, one hundred seventy-two".