68384130 has 16 divisors (see below), whose sum is σ = 164121984. Its totient is φ = 18235760.

The previous prime is 68384089. The next prime is 68384143. The reversal of 68384130 is 3148386.

It is a junction number, because it is equal to n+sod(n) for n = 68384091 and 68384100.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1139706 + ... + 1139765.

It is an arithmetic number, because the mean of its divisors is an integer number (10257624).

Almost surely, 2^68384130 is an apocalyptic number.

68384130 is an abundant number, since it is smaller than the sum of its proper divisors (95737854).

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

68384130 is a wasteful number, since it uses less digits than its factorization.

68384130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279481.

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

The square root of 68384130 is about 8269.4697532550. The cubic root of 68384130 is about 408.9326391577.

The spelling of 68384130 in words is "sixty-eight million, three hundred eighty-four thousand, one hundred thirty".