33443073 has 12 divisors (see below), whose sum is σ = 48390160. Its totient is φ = 22256856.

The previous prime is 33443057. The next prime is 33443077. The reversal of 33443073 is 37034433.

It is not a de Polignac number, because 33443073 - 2⁴ = 33443057 is a prime.

It is a super-2 number, since 2×33443073² = 2236878263366658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33443077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2898 + ... + 8676.

Almost surely, 2^33443073 is an apocalyptic number.

It is an amenable number.

33443073 is a deficient number, since it is larger than the sum of its proper divisors (14947087).

33443073 is a wasteful number, since it uses less digits than its factorization.

33443073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6428 (or 6425 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 27.

The square root of 33443073 is about 5782.9986166348. The cubic root of 33443073 is about 322.1825829470.

The spelling of 33443073 in words is "thirty-three million, four hundred forty-three thousand, seventy-three".