68318430 has 32 divisors (see below), whose sum is σ = 165504384. Its totient is φ = 18047136.

The previous prime is 68318413. The next prime is 68318473. The reversal of 68318430 is 3481386.

It is a junction number, because it is equal to n+sod(n) for n = 68318391 and 68318400.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7432 + ... + 13851.

It is an arithmetic number, because the mean of its divisors is an integer number (5172012).

Almost surely, 2^68318430 is an apocalyptic number.

68318430 is an abundant number, since it is smaller than the sum of its proper divisors (97185954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68318430 is a wasteful number, since it uses less digits than its factorization.

68318430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21400.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 68318430 is about 8265.4963553316. The cubic root of 68318430 is about 408.8016366230.

The spelling of 68318430 in words is "sixty-eight million, three hundred eighteen thousand, four hundred thirty".