27345 has 8 divisors (see below), whose sum is σ = 43776. Its totient is φ = 14576.

The previous prime is 27337. The next prime is 27361. The reversal of 27345 is 54372.

It is a happy number.

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 27345 - 2³ = 27337 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 7⁴ + 3⁵ + 4⁷ + 5³ .

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897 + ... + 926.

It is an arithmetic number, because the mean of its divisors is an integer number (5472).

2²⁷³⁴⁵ is an apocalyptic number.

It is an amenable number.

27345 is a deficient number, since it is larger than the sum of its proper divisors (16431).

27345 is a wasteful number, since it uses less digits than its factorization.

27345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831.

The product of its digits is 840, while the sum is 21.

The square root of 27345 is about 165.3632365431. The cubic root of 27345 is about 30.1272373699.

The spelling of 27345 in words is "twenty-seven thousand, three hundred forty-five".