27027312 has 40 divisors (see below), whose sum is σ = 75193104. Its totient is φ = 8315904.

The previous prime is 27027307. The next prime is 27027317. The reversal of 27027312 is 21372072.

It is an interprime number because it is at equal distance from previous prime (27027307) and next prime (27027317).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27027317) 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 7 ways as a sum of consecutive naturals, for example, 21033 + ... + 22280.

Almost surely, 2^27027312 is an apocalyptic number.

It is an amenable number.

27027312 is an abundant number, since it is smaller than the sum of its proper divisors (48165792).

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

27027312 is a wasteful number, since it uses less digits than its factorization.

27027312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43337 (or 43331 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 27027312 is about 5198.7798568510. The cubic root of 27027312 is about 300.1011214666.

Adding to 27027312 its reverse (21372072), we get a palindrome (48399384).

The spelling of 27027312 in words is "twenty-seven million, twenty-seven thousand, three hundred twelve".