68741983 has 4 divisors (see below), whose sum is σ = 69683728. Its totient is φ = 67800240.

The previous prime is 68741969. The next prime is 68742029. The reversal of 68741983 is 38914786.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38914786 = 2 ⋅19457393.

It is a cyclic number.

It is not a de Polignac number, because 68741983 - 2⁵ = 68741951 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 (68741383) 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, 470763 + ... + 470908.

It is an arithmetic number, because the mean of its divisors is an integer number (17420932).

Almost surely, 2^68741983 is an apocalyptic number.

68741983 is a deficient number, since it is larger than the sum of its proper divisors (941745).

68741983 is an equidigital number, since it uses as much as digits as its factorization.

68741983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941744.

The product of its digits is 290304, while the sum is 46.

The square root of 68741983 is about 8291.0785185041. The cubic root of 68741983 is about 409.6447110483.

The spelling of 68741983 in words is "sixty-eight million, seven hundred forty-one thousand, nine hundred eighty-three".