68995873 has 2 divisors, whose sum is σ = 68995874. Its totient is φ = 68995872.

The previous prime is 68995867. The next prime is 68995903. The reversal of 68995873 is 37859986.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59336209 + 9659664 = 7703^2 + 3108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68995873 is a prime.

It is not a weakly prime, because it can be changed into another prime (68995853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34497936 + 34497937.

It is an arithmetic number, because the mean of its divisors is an integer number (34497937).

Almost surely, 2^68995873 is an apocalyptic number.

It is an amenable number.

68995873 is a deficient number, since it is larger than the sum of its proper divisors (1).

68995873 is an equidigital number, since it uses as much as digits as its factorization.

68995873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 55.

The square root of 68995873 is about 8306.3754429956. The cubic root of 68995873 is about 410.1484154340.

The spelling of 68995873 in words is "sixty-eight million, nine hundred ninety-five thousand, eight hundred seventy-three".