68338818 has 24 divisors (see below), whose sum is σ = 152845056. Its totient is φ = 22044600.

The previous prime is 68338813. The next prime is 68338843. The reversal of 68338818 is 81883386.

It is a super-3 number, since 3×68338818³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (68338811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60678 + ... + 61793.

It is an arithmetic number, because the mean of its divisors is an integer number (6368544).

Almost surely, 2^68338818 is an apocalyptic number.

68338818 is an abundant number, since it is smaller than the sum of its proper divisors (84506238).

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

68338818 is a wasteful number, since it uses less digits than its factorization.

68338818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122510 (or 122507 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 68338818 is about 8266.7295830939. The cubic root of 68338818 is about 408.8422982659.

It can be divided in two parts, 6833 and 8818, that added together give a palindrome (15651).

The spelling of 68338818 in words is "sixty-eight million, three hundred thirty-eight thousand, eight hundred eighteen".