33144073 has 2 divisors, whose sum is σ = 33144074. Its totient is φ = 33144072.

The previous prime is 33144019. The next prime is 33144077. The reversal of 33144073 is 37044133.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33143049 + 1024 = 5757^2 + 32^2 .

It is a cyclic number.

It is not a de Polignac number, because 33144073 - 2¹³ = 33135881 is a prime.

It is not a weakly prime, because it can be changed into another prime (33144077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16572036 + 16572037.

It is an arithmetic number, because the mean of its divisors is an integer number (16572037).

Almost surely, 2^33144073 is an apocalyptic number.

It is an amenable number.

33144073 is a deficient number, since it is larger than the sum of its proper divisors (1).

33144073 is an equidigital number, since it uses as much as digits as its factorization.

33144073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 33144073 is about 5757.0889345224. The cubic root of 33144073 is about 321.2195422985.

The spelling of 33144073 in words is "thirty-three million, one hundred forty-four thousand, seventy-three".