33539272 has 64 divisors (see below), whose sum is σ = 71285760. Its totient is φ = 14688000.

The previous prime is 33539243. The next prime is 33539281. The reversal of 33539272 is 27293533.

It is a happy number.

It is a super-2 number, since 2×33539272² = 2249765532579968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325573 + ... + 325675.

It is an arithmetic number, because the mean of its divisors is an integer number (1113840).

Almost surely, 2^33539272 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 33539272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35642880).

33539272 is an abundant number, since it is smaller than the sum of its proper divisors (37746488).

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

33539272 is a wasteful number, since it uses less digits than its factorization.

33539272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 250 counting only the distinct ones).

The product of its digits is 34020, while the sum is 34.

The square root of 33539272 is about 5791.3100417781. The cubic root of 33539272 is about 322.4912066188.

The spelling of 33539272 in words is "thirty-three million, five hundred thirty-nine thousand, two hundred seventy-two".