68307803 has 2 divisors, whose sum is σ = 68307804. Its totient is φ = 68307802.

The previous prime is 68307761. The next prime is 68307817. The reversal of 68307803 is 30870386.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68307803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68307703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34153901 + 34153902.

It is an arithmetic number, because the mean of its divisors is an integer number (34153902).

Almost surely, 2^68307803 is an apocalyptic number.

68307803 is a deficient number, since it is larger than the sum of its proper divisors (1).

68307803 is an equidigital number, since it uses as much as digits as its factorization.

68307803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 68307803 is about 8264.8534772251. The cubic root of 68307803 is about 408.7804390229.

The spelling of 68307803 in words is "sixty-eight million, three hundred seven thousand, eight hundred three".