68995903 has 2 divisors, whose sum is σ = 68995904. Its totient is φ = 68995902.

The previous prime is 68995873. The next prime is 68995909. The reversal of 68995903 is 30959986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68995903 - 2²¹ = 66898751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68995909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34497951 + 34497952.

It is an arithmetic number, because the mean of its divisors is an integer number (34497952).

Almost surely, 2^68995903 is an apocalyptic number.

68995903 is a deficient number, since it is larger than the sum of its proper divisors (1).

68995903 is an equidigital number, since it uses as much as digits as its factorization.

68995903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 68995903 is about 8306.3772488372. The cubic root of 68995903 is about 410.1484748793.

The spelling of 68995903 in words is "sixty-eight million, nine hundred ninety-five thousand, nine hundred three".