68237838 has 12 divisors (see below), whose sum is σ = 147848688. Its totient is φ = 22745940.

The previous prime is 68237821. The next prime is 68237857. The reversal of 68237838 is 83873286.

It is a junction number, because it is equal to n+sod(n) for n = 68237793 and 68237802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1895478 + ... + 1895513.

It is an arithmetic number, because the mean of its divisors is an integer number (12320724).

Almost surely, 2^68237838 is an apocalyptic number.

68237838 is an abundant number, since it is smaller than the sum of its proper divisors (79610850).

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

68237838 is a wasteful number, since it uses less digits than its factorization.

68237838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790999 (or 3790996 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 68237838 is about 8260.6197104091. The cubic root of 68237838 is about 408.6408254285.

The spelling of 68237838 in words is "sixty-eight million, two hundred thirty-seven thousand, eight hundred thirty-eight".