33273912 has 64 divisors (see below), whose sum is σ = 98150400. Its totient is φ = 9198720.

The previous prime is 33273899. The next prime is 33273917. The reversal of 33273912 is 21937233.

It is a super-2 number, since 2×33273912² = 2214306439567488, 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 33273912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33273917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2014 + ... + 8402.

It is an arithmetic number, because the mean of its divisors is an integer number (1533600).

Almost surely, 2^33273912 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 33273912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49075200).

33273912 is an abundant number, since it is smaller than the sum of its proper divisors (64876488).

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

33273912 is a wasteful number, since it uses less digits than its factorization.

33273912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436 (or 6432 counting only the distinct ones).

The product of its digits is 6804, while the sum is 30.

The square root of 33273912 is about 5768.3543580470. The cubic root of 33273912 is about 321.6384455660.

The spelling of 33273912 in words is "thirty-three million, two hundred seventy-three thousand, nine hundred twelve".