68736799 has 2 divisors, whose sum is σ = 68736800. Its totient is φ = 68736798.

The previous prime is 68736791. The next prime is 68736803. The reversal of 68736799 is 99763786.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68736799 - 2³ = 68736791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68736791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34368399 + 34368400.

It is an arithmetic number, because the mean of its divisors is an integer number (34368400).

Almost surely, 2^68736799 is an apocalyptic number.

68736799 is a deficient number, since it is larger than the sum of its proper divisors (1).

68736799 is an equidigital number, since it uses as much as digits as its factorization.

68736799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 55.

The square root of 68736799 is about 8290.7658874196. The cubic root of 68736799 is about 409.6344133550.

The spelling of 68736799 in words is "sixty-eight million, seven hundred thirty-six thousand, seven hundred ninety-nine".