33542272 has 16 divisors (see below), whose sum is σ = 66822750. Its totient is φ = 16771072.

The previous prime is 33542263. The next prime is 33542287. The reversal of 33542272 is 27224533.

It can be written as a sum of positive squares in only one way, i.e., 33454656 + 87616 = 5784^2 + 296^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×33542272² = 2250168021843968, 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 33542272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130897 + ... + 131152.

Almost surely, 2^33542272 is an apocalyptic number.

33542272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33542272 is a deficient number, since it is larger than the sum of its proper divisors (33280478).

33542272 is an equidigital number, since it uses as much as digits as its factorization.

33542272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262063 (or 262051 counting only the distinct ones).

The product of its digits is 10080, while the sum is 28.

The square root of 33542272 is about 5791.5690447408. The cubic root of 33542272 is about 322.5008216633.

The spelling of 33542272 in words is "thirty-three million, five hundred forty-two thousand, two hundred seventy-two".