68403 has 6 divisors (see below), whose sum is σ = 91812. Its totient is φ = 45300.

The previous prime is 68399. The next prime is 68437. The reversal of 68403 is 30486.

It is not a de Polignac number, because 68403 - 2² = 68399 is a prime.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 68403.

It is not an unprimeable number, because it can be changed into a prime (68443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 378 + ... + 528.

It is an arithmetic number, because the mean of its divisors is an integer number (15302).

2⁶⁸⁴⁰³ is an apocalyptic number.

68403 is a deficient number, since it is larger than the sum of its proper divisors (23409).

68403 is an equidigital number, since it uses as much as digits as its factorization.

68403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 68403 is about 261.5396719429. The cubic root of 68403 is about 40.8970249488.

Adding to 68403 its reverse (30486), we get a palindrome (98889).

The spelling of 68403 in words is "sixty-eight thousand, four hundred three".