68378403 has 8 divisors (see below), whose sum is σ = 96534288. Its totient is φ = 42904064.

The previous prime is 68378393. The next prime is 68378411. The reversal of 68378403 is 30487386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68378403 - 2⁸ = 68378147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68378413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670326 + ... + 670427.

It is an arithmetic number, because the mean of its divisors is an integer number (12066786).

Almost surely, 2^68378403 is an apocalyptic number.

68378403 is a deficient number, since it is larger than the sum of its proper divisors (28155885).

68378403 is a wasteful number, since it uses less digits than its factorization.

68378403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340773.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 68378403 is about 8269.1234722914. The cubic root of 68378403 is about 408.9212231435.

The spelling of 68378403 in words is "sixty-eight million, three hundred seventy-eight thousand, four hundred three".