33685673722 has 8 divisors (see below), whose sum is σ = 51028793172. Its totient is φ = 16676076000.

The previous prime is 33685673719. The next prime is 33685673729. The reversal of 33685673722 is 22737658633.

It can be written as a sum of positive squares in 2 ways, for example, as 25654108561 + 8031565161 = 160169^2 + 89619^2 .

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

It is a super-2 number, since 2×33685673722² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33685673722.

It is not an unprimeable number, because it can be changed into a prime (33685673729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83380179 + ... + 83380582.

Almost surely, 2^33685673722 is an apocalyptic number.

33685673722 is a deficient number, since it is larger than the sum of its proper divisors (17343119450).

33685673722 is a wasteful number, since it uses less digits than its factorization.

33685673722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166760864.

The product of its digits is 7620480, while the sum is 52.

The spelling of 33685673722 in words is "thirty-three billion, six hundred eighty-five million, six hundred seventy-three thousand, seven hundred twenty-two".