33808742 has 16 divisors (see below), whose sum is σ = 55750464. Its totient is φ = 15249000.

The previous prime is 33808679. The next prime is 33808757. The reversal of 33808742 is 24780833.

It is a super-3 number, since 3×33808742³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2984 + ... + 8747.

It is an arithmetic number, because the mean of its divisors is an integer number (3484404).

Almost surely, 2^33808742 is an apocalyptic number.

33808742 is a deficient number, since it is larger than the sum of its proper divisors (21941722).

33808742 is a wasteful number, since it uses less digits than its factorization.

33808742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11875.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 33808742 is about 5814.5285277484. The cubic root of 33808742 is about 323.3525849120.

The spelling of 33808742 in words is "thirty-three million, eight hundred eight thousand, seven hundred forty-two".