68603 has 4 divisors (see below), whose sum is σ = 70848. Its totient is φ = 66360.

The previous prime is 68597. The next prime is 68611. The reversal of 68603 is 30686.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68603 - 2⁶ = 68539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68633) 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 in 3 ways as a sum of consecutive naturals, for example, 1076 + ... + 1137.

It is an arithmetic number, because the mean of its divisors is an integer number (17712).

2⁶⁸⁶⁰³ is an apocalyptic number.

68603 is a deficient number, since it is larger than the sum of its proper divisors (2245).

68603 is a wasteful number, since it uses less digits than its factorization.

68603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 68603 is about 261.9217440382. The cubic root of 68603 is about 40.9368450646.

The spelling of 68603 in words is "sixty-eight thousand, six hundred three".