68190303 has 16 divisors (see below), whose sum is σ = 93374336. Its totient is φ = 44241120.

The previous prime is 68190301. The next prime is 68190329. The reversal of 68190303 is 30309186.

It is not a de Polignac number, because 68190303 - 2¹ = 68190301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68190301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41901 + ... + 43497.

It is an arithmetic number, because the mean of its divisors is an integer number (5835896).

Almost surely, 2^68190303 is an apocalyptic number.

68190303 is a deficient number, since it is larger than the sum of its proper divisors (25184033).

68190303 is a wasteful number, since it uses less digits than its factorization.

68190303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 68190303 is about 8257.7420037199. The cubic root of 68190303 is about 408.5459159451.

Adding to 68190303 its reverse (30309186), we get a palindrome (98499489).

The spelling of 68190303 in words is "sixty-eight million, one hundred ninety thousand, three hundred three".