68331933 has 12 divisors (see below), whose sum is σ = 101369788. Its totient is φ = 44323200.

The previous prime is 68331911. The next prime is 68331947. The reversal of 68331933 is 33913386.

It can be written as a sum of positive squares in 2 ways, for example, as 62441604 + 5890329 = 7902^2 + 2427^2 .

It is not a de Polignac number, because 68331933 - 2¹² = 68327837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68331233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102268 + ... + 102933.

Almost surely, 2^68331933 is an apocalyptic number.

It is an amenable number.

68331933 is a deficient number, since it is larger than the sum of its proper divisors (33037855).

68331933 is a wasteful number, since it uses less digits than its factorization.

68331933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205244 (or 205241 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 68331933 is about 8266.3131443226. The cubic root of 68331933 is about 408.8285677886.

The spelling of 68331933 in words is "sixty-eight million, three hundred thirty-one thousand, nine hundred thirty-three".