68689283 has 4 divisors (see below), whose sum is σ = 73973088. Its totient is φ = 63405480.

The previous prime is 68689261. The next prime is 68689297. The reversal of 68689283 is 38298686.

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 68689283 - 2¹⁰ = 68688259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68689253) 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, 2641883 + ... + 2641908.

It is an arithmetic number, because the mean of its divisors is an integer number (18493272).

Almost surely, 2^68689283 is an apocalyptic number.

68689283 is a deficient number, since it is larger than the sum of its proper divisors (5283805).

68689283 is a wasteful number, since it uses less digits than its factorization.

68689283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5283804.

The product of its digits is 995328, while the sum is 50.

The square root of 68689283 is about 8287.8997942784. The cubic root of 68689283 is about 409.5400016482.

The spelling of 68689283 in words is "sixty-eight million, six hundred eighty-nine thousand, two hundred eighty-three".