68245673 has 2 divisors, whose sum is σ = 68245674. Its totient is φ = 68245672.

The previous prime is 68245643. The next prime is 68245679. The reversal of 68245673 is 37654286.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47706649 + 20539024 = 6907^2 + 4532^2 .

It is a cyclic number.

It is not a de Polignac number, because 68245673 - 2²⁶ = 1136809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68245673.

It is not a weakly prime, because it can be changed into another prime (68245679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34122836 + 34122837.

It is an arithmetic number, because the mean of its divisors is an integer number (34122837).

Almost surely, 2^68245673 is an apocalyptic number.

It is an amenable number.

68245673 is a deficient number, since it is larger than the sum of its proper divisors (1).

68245673 is an equidigital number, since it uses as much as digits as its factorization.

68245673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 68245673 is about 8261.0939348249. The cubic root of 68245673 is about 408.6564647396.

The spelling of 68245673 in words is "sixty-eight million, two hundred forty-five thousand, six hundred seventy-three".