33404745 has 32 divisors (see below), whose sum is σ = 61741440. Its totient is φ = 15242240.

The previous prime is 33404729. The next prime is 33404783. The reversal of 33404745 is 54740433.

It is not a de Polignac number, because 33404745 - 2⁴ = 33404729 is a prime.

It is a super-2 number, since 2×33404745² = 2231753977030050, which contains 22 as substring.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 3150 + ... + 8759.

It is an arithmetic number, because the mean of its divisors is an integer number (1929420).

Almost surely, 2^33404745 is an apocalyptic number.

It is an amenable number.

33404745 is a deficient number, since it is larger than the sum of its proper divisors (28336695).

33404745 is a wasteful number, since it uses less digits than its factorization.

33404745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11945.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 33404745 is about 5779.6838148812. The cubic root of 33404745 is about 322.0594549628.

The spelling of 33404745 in words is "thirty-three million, four hundred four thousand, seven hundred forty-five".