68873983 has 8 divisors (see below), whose sum is σ = 73811808. Its totient is φ = 64098144.

The previous prime is 68873933. The next prime is 68873989. The reversal of 68873983 is 38937886.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68873983 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 68873983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68873989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39616 + ... + 41317.

It is an arithmetic number, because the mean of its divisors is an integer number (9226476).

Almost surely, 2^68873983 is an apocalyptic number.

68873983 is a deficient number, since it is larger than the sum of its proper divisors (4937825).

68873983 is a wasteful number, since it uses less digits than its factorization.

68873983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80993.

The product of its digits is 1741824, while the sum is 52.

The square root of 68873983 is about 8299.0350643915. The cubic root of 68873983 is about 409.9067465883.

The spelling of 68873983 in words is "sixty-eight million, eight hundred seventy-three thousand, nine hundred eighty-three".