33306872 has 8 divisors (see below), whose sum is σ = 62450400. Its totient is φ = 16653432.

The previous prime is 33306869. The next prime is 33306941. The reversal of 33306872 is 27860333.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×33306872² = 2218695444848768, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2081672 + ... + 2081687.

It is an arithmetic number, because the mean of its divisors is an integer number (7806300).

Almost surely, 2^33306872 is an apocalyptic number.

It is an amenable number.

33306872 is a deficient number, since it is larger than the sum of its proper divisors (29143528).

33306872 is a wasteful number, since it uses less digits than its factorization.

33306872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163365 (or 4163361 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 33306872 is about 5771.2106182325. The cubic root of 33306872 is about 321.7446118692.

The spelling of 33306872 in words is "thirty-three million, three hundred six thousand, eight hundred seventy-two".