33542012 has 12 divisors (see below), whose sum is σ = 67084080. Its totient is φ = 14375136.

The previous prime is 33541997. The next prime is 33542023. The reversal of 33542012 is 21024533.

It is a happy number.

33542012 is an admirable number.

It is a super-2 number, since 2×33542012² = 2250133138016288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598937 + ... + 598992.

It is an arithmetic number, because the mean of its divisors is an integer number (5590340).

Almost surely, 2^33542012 is an apocalyptic number.

It is an amenable number.

33542012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33542012 is a wasteful number, since it uses less digits than its factorization.

33542012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197940 (or 1197938 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 33542012 is about 5791.5465982758. The cubic root of 33542012 is about 322.4999883821.

Adding to 33542012 its reverse (21024533), we get a palindrome (54566545).

The spelling of 33542012 in words is "thirty-three million, five hundred forty-two thousand, twelve".