68424198 has 16 divisors (see below), whose sum is σ = 139760640. Its totient is φ = 22322696.

The previous prime is 68424197. The next prime is 68424199. The reversal of 68424198 is 89142486.

It is an interprime number because it is at equal distance from previous prime (68424197) and next prime (68424199).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68424193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121038 + ... + 121601.

It is an arithmetic number, because the mean of its divisors is an integer number (8735040).

Almost surely, 2^68424198 is an apocalyptic number.

68424198 is an abundant number, since it is smaller than the sum of its proper divisors (71336442).

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

68424198 is a wasteful number, since it uses less digits than its factorization.

68424198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242691.

The product of its digits is 110592, while the sum is 42.

The square root of 68424198 is about 8271.8920447501. The cubic root of 68424198 is about 409.0124915731.

The spelling of 68424198 in words is "sixty-eight million, four hundred twenty-four thousand, one hundred ninety-eight".