68039383 has 4 divisors (see below), whose sum is σ = 68068000. Its totient is φ = 68010768.

The previous prime is 68039381. The next prime is 68039401. The reversal of 68039383 is 38393086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38393086 = 2 ⋅19196543.

It is a cyclic number.

It is not a de Polignac number, because 68039383 - 2¹ = 68039381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68039381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10383 + ... + 15616.

It is an arithmetic number, because the mean of its divisors is an integer number (17017000).

Almost surely, 2^68039383 is an apocalyptic number.

68039383 is a deficient number, since it is larger than the sum of its proper divisors (28617).

68039383 is a wasteful number, since it uses less digits than its factorization.

68039383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28616.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 68039383 is about 8248.5988507140. The cubic root of 68039383 is about 408.2442929368.

The spelling of 68039383 in words is "sixty-eight million, thirty-nine thousand, three hundred eighty-three".