33042642 has 8 divisors (see below), whose sum is σ = 66085296. Its totient is φ = 11014212.

The previous prime is 33042641. The next prime is 33042643. The reversal of 33042642 is 24624033.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33042641) and next prime (33042643).

It is a sphenic number, since it is the product of 3 distinct primes.

33042642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (33042641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2753548 + ... + 2753559.

It is an arithmetic number, because the mean of its divisors is an integer number (8260662).

Almost surely, 2^33042642 is an apocalyptic number.

33042642 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.

33042642 is a wasteful number, since it uses less digits than its factorization.

33042642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507112.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 33042642 is about 5748.2729580284. The cubic root of 33042642 is about 320.8915307856.

Adding to 33042642 its reverse (24624033), we get a palindrome (57666675).

The spelling of 33042642 in words is "thirty-three million, forty-two thousand, six hundred forty-two".