33804732 has 72 divisors (see below), whose sum is σ = 86903040. Its totient is φ = 10221120.

The previous prime is 33804731. The next prime is 33804739. The reversal of 33804732 is 23740833.

It is a super-2 number, since 2×33804732² = 2285519811183648, 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 33804732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33804731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160107 + ... + 160317.

Almost surely, 2^33804732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33804732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43451520).

33804732 is an abundant number, since it is smaller than the sum of its proper divisors (53098308).

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

33804732 is a wasteful number, since it uses less digits than its factorization.

33804732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 33804732 is about 5814.1836916286. The cubic root of 33804732 is about 323.3398002981.

The spelling of 33804732 in words is "thirty-three million, eight hundred four thousand, seven hundred thirty-two".