33047 has 4 divisors (see below), whose sum is σ = 37776. Its totient is φ = 28320.

The previous prime is 33037. The next prime is 33049. The reversal of 33047 is 74033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74033 = 101 ⋅733.

It is a cyclic number.

It is not a de Polignac number, because 33047 - 2⁶ = 32983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2354 + ... + 2367.

It is an arithmetic number, because the mean of its divisors is an integer number (9444).

2³³⁰⁴⁷ is an apocalyptic number.

33047 is a deficient number, since it is larger than the sum of its proper divisors (4729).

33047 is an equidigital number, since it uses as much as digits as its factorization.

33047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 33047 is about 181.7883384599. The cubic root of 33047 is about 32.0905637646.

The spelling of 33047 in words is "thirty-three thousand, forty-seven".