27147329 has 8 divisors (see below), whose sum is σ = 29719872. Its totient is φ = 24592240.

The previous prime is 27147311. The next prime is 27147331. The reversal of 27147329 is 92374172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27147329 - 2⁸ = 27147073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27147359) 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, 989 + ... + 7434.

It is an arithmetic number, because the mean of its divisors is an integer number (3714984).

Almost surely, 2^27147329 is an apocalyptic number.

It is an amenable number.

27147329 is a deficient number, since it is larger than the sum of its proper divisors (2572543).

27147329 is a wasteful number, since it uses less digits than its factorization.

27147329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8727.

The product of its digits is 21168, while the sum is 35.

The square root of 27147329 is about 5210.3098756216. The cubic root of 27147329 is about 300.5446734672.

The spelling of 27147329 in words is "twenty-seven million, one hundred forty-seven thousand, three hundred twenty-nine".