68013198 has 96 divisors (see below), whose sum is σ = 171849600. Its totient is φ = 19224000.

The previous prime is 68013191. The next prime is 68013223. The reversal of 68013198 is 89131086.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68013191) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 379873 + ... + 380051.

It is an arithmetic number, because the mean of its divisors is an integer number (1790100).

Almost surely, 2^68013198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68013198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85924800).

68013198 is an abundant number, since it is smaller than the sum of its proper divisors (103836402).

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

68013198 is a wasteful number, since it uses less digits than its factorization.

68013198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 68013198 is about 8247.0114587043. The cubic root of 68013198 is about 408.1919151914.

It can be divided in two parts, 6801 and 3198, that added together give a palindrome (9999).

The spelling of 68013198 in words is "sixty-eight million, thirteen thousand, one hundred ninety-eight".