33140738 has 16 divisors (see below), whose sum is σ = 50633856. Its totient is φ = 16265520.

The previous prime is 33140717. The next prime is 33140747. The reversal of 33140738 is 83704133.

It is a self number, because there is not a number n which added to its sum of digits gives 33140738.

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, 29495 + ... + 30597.

It is an arithmetic number, because the mean of its divisors is an integer number (3164616).

Almost surely, 2^33140738 is an apocalyptic number.

33140738 is a deficient number, since it is larger than the sum of its proper divisors (17493118).

33140738 is a wasteful number, since it uses less digits than its factorization.

33140738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 33140738 is about 5756.7992843246. The cubic root of 33140738 is about 321.2087680936.

The spelling of 33140738 in words is "thirty-three million, one hundred forty thousand, seven hundred thirty-eight".