33064645 has 4 divisors (see below), whose sum is σ = 39677580. Its totient is φ = 26451712.

The previous prime is 33064637. The next prime is 33064651. The reversal of 33064645 is 54646033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17048641 + 16016004 = 4129^2 + 4002^2 .

It is a cyclic number.

It is not a de Polignac number, because 33064645 - 2³ = 33064637 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 3306460 + ... + 3306469.

It is an arithmetic number, because the mean of its divisors is an integer number (9919395).

Almost surely, 2^33064645 is an apocalyptic number.

It is an amenable number.

33064645 is a deficient number, since it is larger than the sum of its proper divisors (6612935).

33064645 is an equidigital number, since it uses as much as digits as its factorization.

33064645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612934.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 33064645 is about 5750.1865187140. The cubic root of 33064645 is about 320.9627418964.

The spelling of 33064645 in words is "thirty-three million, sixty-four thousand, six hundred forty-five".