33402073 has 2 divisors, whose sum is σ = 33402074. Its totient is φ = 33402072.

The previous prime is 33402071. The next prime is 33402119. The reversal of 33402073 is 37020433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28217344 + 5184729 = 5312^2 + 2277^2 .

It is a cyclic number.

It is not a de Polignac number, because 33402073 - 2¹ = 33402071 is a prime.

It is a super-2 number, since 2×33402073² = 2231396961394658, which contains 22 as substring.

Together with 33402071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (33402071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16701036 + 16701037.

It is an arithmetic number, because the mean of its divisors is an integer number (16701037).

Almost surely, 2^33402073 is an apocalyptic number.

It is an amenable number.

33402073 is a deficient number, since it is larger than the sum of its proper divisors (1).

33402073 is an equidigital number, since it uses as much as digits as its factorization.

33402073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 33402073 is about 5779.4526557452. The cubic root of 33402073 is about 322.0508677016.

The spelling of 33402073 in words is "thirty-three million, four hundred two thousand, seventy-three".