33868736 has 28 divisors (see below), whose sum is σ = 73319640. Its totient is φ = 15394560.

The previous prime is 33868721. The next prime is 33868753. The reversal of 33868736 is 63786833.

It is a super-2 number, since 2×33868736² = 2294182556475392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23351 + ... + 24758.

Almost surely, 2^33868736 is an apocalyptic number.

It is an amenable number.

33868736 is an abundant number, since it is smaller than the sum of its proper divisors (39450904).

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

33868736 is a wasteful number, since it uses less digits than its factorization.

33868736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48132 (or 48122 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 33868736 is about 5819.6852148548. The cubic root of 33868736 is about 323.5437361786.

The spelling of 33868736 in words is "thirty-three million, eight hundred sixty-eight thousand, seven hundred thirty-six".