27012738 has 32 divisors (see below), whose sum is σ = 55814400. Its totient is φ = 8709120.

The previous prime is 27012703. The next prime is 27012757. The reversal of 27012738 is 83721072.

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 15 ways as a sum of consecutive naturals, for example, 59938 + ... + 60386.

It is an arithmetic number, because the mean of its divisors is an integer number (1744200).

Almost surely, 2^27012738 is an apocalyptic number.

27012738 is an abundant number, since it is smaller than the sum of its proper divisors (28801662).

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

27012738 is a wasteful number, since it uses less digits than its factorization.

27012738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 27012738 is about 5197.3779927960. The cubic root of 27012738 is about 300.0471703606.

The spelling of 27012738 in words is "twenty-seven million, twelve thousand, seven hundred thirty-eight".