33120733 has 2 divisors, whose sum is σ = 33120734. Its totient is φ = 33120732.

The previous prime is 33120701. The next prime is 33120739. The reversal of 33120733 is 33702133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29192409 + 3928324 = 5403^2 + 1982^2 .

It is a cyclic number.

It is not a de Polignac number, because 33120733 - 2⁵ = 33120701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33120739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16560366 + 16560367.

It is an arithmetic number, because the mean of its divisors is an integer number (16560367).

Almost surely, 2^33120733 is an apocalyptic number.

It is an amenable number.

33120733 is a deficient number, since it is larger than the sum of its proper divisors (1).

33120733 is an equidigital number, since it uses as much as digits as its factorization.

33120733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 22.

The square root of 33120733 is about 5755.0615114002. The cubic root of 33120733 is about 321.1441238403.

Adding to 33120733 its reverse (33702133), we get a palindrome (66822866).

The spelling of 33120733 in words is "thirty-three million, one hundred twenty thousand, seven hundred thirty-three".