33668045 has 4 divisors (see below), whose sum is σ = 40401660. Its totient is φ = 26934432.

The previous prime is 33668023. The next prime is 33668051. The reversal of 33668045 is 54086633.

33668045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54086633 = 127 ⋅425879.

It can be written as a sum of positive squares in 2 ways, for example, as 7678441 + 25989604 = 2771^2 + 5098^2 .

It is a cyclic number.

It is not a de Polignac number, because 33668045 - 2⁸ = 33667789 is a prime.

It is a super-2 number, since 2×33668045² = 2267074508244050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33667996 and 33668014.

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, 3366800 + ... + 3366809.

It is an arithmetic number, because the mean of its divisors is an integer number (10100415).

Almost surely, 2^33668045 is an apocalyptic number.

It is an amenable number.

33668045 is a deficient number, since it is larger than the sum of its proper divisors (6733615).

33668045 is an equidigital number, since it uses as much as digits as its factorization.

33668045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733614.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 33668045 is about 5802.4171687324. The cubic root of 33668045 is about 322.9034111983.

It can be divided in two parts, 3366 and 8045, that added together give a palindrome (11411).

The spelling of 33668045 in words is "thirty-three million, six hundred sixty-eight thousand, forty-five".