33040373 has 4 divisors (see below), whose sum is σ = 34779360. Its totient is φ = 31301388.

The previous prime is 33040361. The next prime is 33040379. The reversal of 33040373 is 37304033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37304033 = 13 ⋅2869541.

It is a cyclic number.

It is not a de Polignac number, because 33040373 - 2²⁰ = 31991797 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 (33040379) 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, 869465 + ... + 869502.

It is an arithmetic number, because the mean of its divisors is an integer number (8694840).

Almost surely, 2^33040373 is an apocalyptic number.

It is an amenable number.

33040373 is a deficient number, since it is larger than the sum of its proper divisors (1738987).

33040373 is a wasteful number, since it uses less digits than its factorization.

33040373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738986.

The product of its (nonzero) digits is 2268, while the sum is 23.

The square root of 33040373 is about 5748.0755910130. The cubic root of 33040373 is about 320.8841855341.

The spelling of 33040373 in words is "thirty-three million, forty thousand, three hundred seventy-three".