33472912 has 40 divisors (see below), whose sum is σ = 73834560. Its totient is φ = 14551680.

The previous prime is 33472903. The next prime is 33472913. The reversal of 33472912 is 21927433.

It is a super-2 number, since 2×33472912² = 2240871675519488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33472913) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 87 + ... + 8182.

It is an arithmetic number, because the mean of its divisors is an integer number (1845864).

Almost surely, 2^33472912 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 33472912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36917280).

33472912 is an abundant number, since it is smaller than the sum of its proper divisors (40361648).

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

33472912 is a wasteful number, since it uses less digits than its factorization.

33472912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8311 (or 8305 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 33472912 is about 5785.5779313738. The cubic root of 33472912 is about 322.2783750643.

The spelling of 33472912 in words is "thirty-three million, four hundred seventy-two thousand, nine hundred twelve".