68000003 has 2 divisors, whose sum is σ = 68000004. Its totient is φ = 68000002.

The previous prime is 67999979. The next prime is 68000021. The reversal of 68000003 is 30000086.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68000003 - 2¹⁶ = 67934467 is a prime.

It is not a weakly prime, because it can be changed into another prime (68000203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34000001 + 34000002.

It is an arithmetic number, because the mean of its divisors is an integer number (34000002).

Almost surely, 2^68000003 is an apocalyptic number.

68000003 is a deficient number, since it is larger than the sum of its proper divisors (1).

68000003 is an equidigital number, since it uses as much as digits as its factorization.

68000003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 68000003 is about 8246.2114331370. The cubic root of 68000003 is about 408.1655161942.

Adding to 68000003 its reverse (30000086), we get a palindrome (98000089).

The spelling of 68000003 in words is "sixty-eight million, three", and thus it is an aban number and an uban number.