33012628 has 12 divisors (see below), whose sum is σ = 63024192. Its totient is φ = 15005720.

The previous prime is 33012607. The next prime is 33012647. The reversal of 33012628 is 82621033.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375100 + ... + 375187.

It is an arithmetic number, because the mean of its divisors is an integer number (5252016).

Almost surely, 2^33012628 is an apocalyptic number.

It is an amenable number.

33012628 is a deficient number, since it is larger than the sum of its proper divisors (30011564).

33012628 is a wasteful number, since it uses less digits than its factorization.

33012628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750302 (or 750300 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 33012628 is about 5745.6616677281. The cubic root of 33012628 is about 320.7943416642.

It can be divided in two parts, 3301 and 2628, that added together give a square (5929 = 77²).

The spelling of 33012628 in words is "thirty-three million, twelve thousand, six hundred twenty-eight".