33445668 has 24 divisors (see below), whose sum is σ = 79944480. Its totient is φ = 10876480.

The previous prime is 33445667. The next prime is 33445693. The reversal of 33445668 is 86654433.

It is a super-2 number, since 2×33445668² = 2237225415932448, which contains 22 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (33445661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33498 + ... + 34481.

It is an arithmetic number, because the mean of its divisors is an integer number (3331020).

Almost surely, 2^33445668 is an apocalyptic number.

It is an amenable number.

33445668 is an abundant number, since it is smaller than the sum of its proper divisors (46498812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33445668 is a wasteful number, since it uses less digits than its factorization.

33445668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68027 (or 68025 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 33445668 is about 5783.2229768530. Note that the first 3 decimals coincide. The cubic root of 33445668 is about 322.1909159350.

The spelling of 33445668 in words is "thirty-three million, four hundred forty-five thousand, six hundred sixty-eight".