68813388 has 60 divisors (see below), whose sum is σ = 205597392. Its totient is φ = 19660320.

The previous prime is 68813369. The next prime is 68813389. The reversal of 68813388 is 88331886.

It is not an unprimeable number, because it can be changed into a prime (68813389) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12903 + ... + 17438.

Almost surely, 2^68813388 is an apocalyptic number.

It is an amenable number.

68813388 is an abundant number, since it is smaller than the sum of its proper divisors (136784004).

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

68813388 is a wasteful number, since it uses less digits than its factorization.

68813388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30364 (or 30353 counting only the distinct ones).

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

The square root of 68813388 is about 8295.3835354370. The cubic root of 68813388 is about 409.7864999872.

The spelling of 68813388 in words is "sixty-eight million, eight hundred thirteen thousand, three hundred eighty-eight".