33042741 has 8 divisors (see below), whose sum is σ = 44086944. Its totient is φ = 22013520.

The previous prime is 33042731. The next prime is 33042749. The reversal of 33042741 is 14724033.

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

It is a de Polignac number, because none of the positive numbers 2^k-33042741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33042749) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3295 + ... + 8771.

It is an arithmetic number, because the mean of its divisors is an integer number (5510868).

Almost surely, 2^33042741 is an apocalyptic number.

It is an amenable number.

33042741 is a deficient number, since it is larger than the sum of its proper divisors (11044203).

33042741 is a wasteful number, since it uses less digits than its factorization.

33042741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7491.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 33042741 is about 5748.2815693040. The cubic root of 33042741 is about 320.8918512627.

Adding to 33042741 its reverse (14724033), we get a palindrome (47766774).

It can be divided in two parts, 330 and 42741, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 33042741 in words is "thirty-three million, forty-two thousand, seven hundred forty-one".