68783 has 12 divisors (see below), whose sum is σ = 83448. Its totient is φ = 56160.

The previous prime is 68777. The next prime is 68791. The reversal of 68783 is 38786.

It is not a de Polignac number, because 68783 - 2⁴ = 68767 is a prime.

It is a super-2 number, since 2×68783² = 9462202178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68713) 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, 1841 + ... + 1877.

It is an arithmetic number, because the mean of its divisors is an integer number (6954).

2⁶⁸⁷⁸³ is an apocalyptic number.

68783 is a deficient number, since it is larger than the sum of its proper divisors (14665).

68783 is a wasteful number, since it uses less digits than its factorization.

68783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 61 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 68783 is about 262.2651330238. The cubic root of 68783 is about 40.9726170517.

The spelling of 68783 in words is "sixty-eight thousand, seven hundred eighty-three".