33068940 has 96 divisors (see below), whose sum is σ = 99864576. Its totient is φ = 8152320.

The previous prime is 33068939. The next prime is 33068947. The reversal of 33068940 is 4986033.

It is not an unprimeable number, because it can be changed into a prime (33068947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42394 + ... + 43166.

It is an arithmetic number, because the mean of its divisors is an integer number (1040256).

Almost surely, 2^33068940 is an apocalyptic number.

33068940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33068940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49932288).

33068940 is an abundant number, since it is smaller than the sum of its proper divisors (66795636).

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

33068940 is a wasteful number, since it uses less digits than its factorization.

33068940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 33068940 is about 5750.5599727331. The cubic root of 33068940 is about 320.9766386663.

It can be divided in two parts, 3306 and 8940, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 33068940 in words is "thirty-three million, sixty-eight thousand, nine hundred forty".