33956872 has 8 divisors (see below), whose sum is σ = 63669150. Its totient is φ = 16978432.

The previous prime is 33956851. The next prime is 33956891. The reversal of 33956872 is 27865933.

It can be written as a sum of positive squares in only one way, i.e., 33339076 + 617796 = 5774^2 + 786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122297 + ... + 2122312.

Almost surely, 2^33956872 is an apocalyptic number.

It is an amenable number.

33956872 is a deficient number, since it is larger than the sum of its proper divisors (29712278).

33956872 is a wasteful number, since it uses less digits than its factorization.

33956872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244615 (or 4244611 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 33956872 is about 5827.2525258478. The cubic root of 33956872 is about 323.8241437596.

The spelling of 33956872 in words is "thirty-three million, nine hundred fifty-six thousand, eight hundred seventy-two".