33564004 has 6 divisors (see below), whose sum is σ = 58737014. Its totient is φ = 16782000.

The previous prime is 33563989. The next prime is 33564023. The reversal of 33564004 is 40046533.

It can be written as a sum of positive squares in only one way, i.e., 31899904 + 1664100 = 5648^2 + 1290^2 .

It is a super-2 number, since 2×33564004² = 2253084729024032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33564004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4195497 + ... + 4195504.

Almost surely, 2^33564004 is an apocalyptic number.

It is an amenable number.

33564004 is a deficient number, since it is larger than the sum of its proper divisors (25173010).

33564004 is a wasteful number, since it uses less digits than its factorization.

33564004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8391005 (or 8391003 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 33564004 is about 5793.4449164551. Note that the first 3 decimals coincide. The cubic root of 33564004 is about 322.5704559324.

The spelling of 33564004 in words is "thirty-three million, five hundred sixty-four thousand, four".