33073143 has 16 divisors (see below), whose sum is σ = 47393280. Its totient is φ = 20439936.

The previous prime is 33073141. The next prime is 33073147. The reversal of 33073143 is 34137033.

It is not a de Polignac number, because 33073143 - 2¹ = 33073141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33073141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1423 + ... + 8256.

It is an arithmetic number, because the mean of its divisors is an integer number (2962080).

Almost surely, 2^33073143 is an apocalyptic number.

33073143 is a deficient number, since it is larger than the sum of its proper divisors (14320137).

33073143 is a wasteful number, since it uses less digits than its factorization.

33073143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9766.

The product of its (nonzero) digits is 2268, while the sum is 24.

The square root of 33073143 is about 5750.9254037937. The cubic root of 33073143 is about 320.9902365990.

The spelling of 33073143 in words is "thirty-three million, seventy-three thousand, one hundred forty-three".