33542268 has 12 divisors (see below), whose sum is σ = 78265320. Its totient is φ = 11180752.

The previous prime is 33542263. The next prime is 33542287. The reversal of 33542268 is 86224533.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33542268² = 2250167485167648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33542261) by changing a digit.

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, 1397583 + ... + 1397606.

It is an arithmetic number, because the mean of its divisors is an integer number (6522110).

Almost surely, 2^33542268 is an apocalyptic number.

It is an amenable number.

33542268 is an abundant number, since it is smaller than the sum of its proper divisors (44723052).

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

33542268 is a wasteful number, since it uses less digits than its factorization.

33542268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795196 (or 2795194 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 33542268 is about 5791.5686994112. The cubic root of 33542268 is about 322.5008088436.

The spelling of 33542268 in words is "thirty-three million, five hundred forty-two thousand, two hundred sixty-eight".