33942793 has 4 divisors (see below), whose sum is σ = 34770708. Its totient is φ = 33114880.

The previous prime is 33942791. The next prime is 33942809. The reversal of 33942793 is 39724933.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6568969 + 27373824 = 2563^2 + 5232^2 .

It is not a de Polignac number, because 33942793 - 2¹ = 33942791 is a prime.

It is a super-2 number, since 2×33942793² = 2304226393281698, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33942791) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 413896 + ... + 413977.

It is an arithmetic number, because the mean of its divisors is an integer number (8692677).

Almost surely, 2^33942793 is an apocalyptic number.

It is an amenable number.

33942793 is a deficient number, since it is larger than the sum of its proper divisors (827915).

33942793 is an equidigital number, since it uses as much as digits as its factorization.

33942793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827914.

The product of its digits is 122472, while the sum is 40.

The square root of 33942793 is about 5826.0443698963. The cubic root of 33942793 is about 323.7793835477.

The spelling of 33942793 in words is "thirty-three million, nine hundred forty-two thousand, seven hundred ninety-three".