33475328 has 36 divisors (see below), whose sum is σ = 68396328. Its totient is φ = 16343040.

The previous prime is 33475313. The next prime is 33475331. The reversal of 33475328 is 82357433.

It is a super-2 number, since 2×33475328² = 2241195169415168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9488 + ... + 12528.

It is an arithmetic number, because the mean of its divisors is an integer number (1899898).

Almost surely, 2^33475328 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 33475328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34198164).

33475328 is an abundant number, since it is smaller than the sum of its proper divisors (34921000).

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

33475328 is an equidigital number, since it uses as much as digits as its factorization.

33475328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100 (or 3086 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 33475328 is about 5785.7867226506. The cubic root of 33475328 is about 322.2861286554.

The spelling of 33475328 in words is "thirty-three million, four hundred seventy-five thousand, three hundred twenty-eight".