33045073 has 4 divisors (see below), whose sum is σ = 33078708. Its totient is φ = 33011440.

The previous prime is 33045049. The next prime is 33045091. The reversal of 33045073 is 37054033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37054033 = 17 ⋅2179649.

It can be written as a sum of positive squares in 2 ways, for example, as 6594624 + 26450449 = 2568^2 + 5143^2 .

It is a cyclic number.

It is not a de Polignac number, because 33045073 - 2⁵ = 33045041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33045013) 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 3 ways as a sum of consecutive naturals, for example, 15298 + ... + 17323.

It is an arithmetic number, because the mean of its divisors is an integer number (8269677).

Almost surely, 2^33045073 is an apocalyptic number.

It is an amenable number.

33045073 is a deficient number, since it is larger than the sum of its proper divisors (33635).

33045073 is a wasteful number, since it uses less digits than its factorization.

33045073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33634.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 33045073 is about 5748.4844089551. The cubic root of 33045073 is about 320.8994000936.

The spelling of 33045073 in words is "thirty-three million, forty-five thousand, seventy-three".