68193383 has 4 divisors (see below), whose sum is σ = 68447160. Its totient is φ = 67939608.

The previous prime is 68193319. The next prime is 68193401. The reversal of 68193383 is 38339186.

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

It is a cyclic number.

It is not a de Polignac number, because 68193383 - 2⁶ = 68193319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68193383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68193883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126485 + ... + 127022.

It is an arithmetic number, because the mean of its divisors is an integer number (17111790).

Almost surely, 2^68193383 is an apocalyptic number.

68193383 is a deficient number, since it is larger than the sum of its proper divisors (253777).

68193383 is a wasteful number, since it uses less digits than its factorization.

68193383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253776.

The product of its digits is 93312, while the sum is 41.

The square root of 68193383 is about 8257.9284932724. The cubic root of 68193383 is about 408.5520668807.

The spelling of 68193383 in words is "sixty-eight million, one hundred ninety-three thousand, three hundred eighty-three".