27145814 has 16 divisors (see below), whose sum is σ = 42178752. Its totient is φ = 13094088.

The previous prime is 27145777. The next prime is 27145817. The reversal of 27145814 is 41854172.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27145817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5237 + ... + 9039.

It is an arithmetic number, because the mean of its divisors is an integer number (2636172).

Almost surely, 2^27145814 is an apocalyptic number.

27145814 is a deficient number, since it is larger than the sum of its proper divisors (15032938).

27145814 is a wasteful number, since it uses less digits than its factorization.

27145814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931.

The product of its digits is 8960, while the sum is 32.

The square root of 27145814 is about 5210.1644887662. The cubic root of 27145814 is about 300.5390825716.

Adding to 27145814 its reverse (41854172), we get a palindrome (68999986).

The spelling of 27145814 in words is "twenty-seven million, one hundred forty-five thousand, eight hundred fourteen".