68203207 has 2 divisors, whose sum is σ = 68203208. Its totient is φ = 68203206.

The previous prime is 68203199. The next prime is 68203229. The reversal of 68203207 is 70230286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68203207 - 2³ = 68203199 is a prime.

It is a super-4 number, since 4×68203207⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68203237) 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, 34101603 + 34101604.

It is an arithmetic number, because the mean of its divisors is an integer number (34101604).

Almost surely, 2^68203207 is an apocalyptic number.

68203207 is a deficient number, since it is larger than the sum of its proper divisors (1).

68203207 is an equidigital number, since it uses as much as digits as its factorization.

68203207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 68203207 is about 8258.5232941489. The cubic root of 68203207 is about 408.5716847312.

The spelling of 68203207 in words is "sixty-eight million, two hundred three thousand, two hundred seven".