33273012 has 48 divisors (see below), whose sum is σ = 82700352. Its totient is φ = 10375680.

The previous prime is 33273011. The next prime is 33273073. The reversal of 33273012 is 21037233.

It is a super-2 number, since 2×33273012² = 2214186655104288, 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 33273012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33273011) 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, 42658 + ... + 43430.

It is an arithmetic number, because the mean of its divisors is an integer number (1722924).

Almost surely, 2^33273012 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 33273012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41350176).

33273012 is an abundant number, since it is smaller than the sum of its proper divisors (49427340).

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

33273012 is a wasteful number, since it uses less digits than its factorization.

33273012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 33273012 is about 5768.2763456686. The cubic root of 33273012 is about 321.6355456243.

The spelling of 33273012 in words is "thirty-three million, two hundred seventy-three thousand, twelve".