68330838 has 16 divisors (see below), whose sum is σ = 142603776. Its totient is φ = 21786600.

The previous prime is 68330807. The next prime is 68330863. The reversal of 68330838 is 83803386.

It is a junction number, because it is equal to n+sod(n) for n = 68330796 and 68330805.

It is a congruent number.

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, 247438 + ... + 247713.

It is an arithmetic number, because the mean of its divisors is an integer number (8912736).

Almost surely, 2^68330838 is an apocalyptic number.

68330838 is an abundant number, since it is smaller than the sum of its proper divisors (74272938).

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

68330838 is a wasteful number, since it uses less digits than its factorization.

68330838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495179.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 68330838 is about 8266.2469113861. The cubic root of 68330838 is about 408.8263839893.

The spelling of 68330838 in words is "sixty-eight million, three hundred thirty thousand, eight hundred thirty-eight".