67842198 has 112 divisors (see below), whose sum is σ = 167884800. Its totient is φ = 20470320.

The previous prime is 67842193. The next prime is 67842199. The reversal of 67842198 is 89124876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67842193) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 858723 + ... + 858801.

Almost surely, 2^67842198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67842198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83942400).

67842198 is an abundant number, since it is smaller than the sum of its proper divisors (100042602).

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

67842198 is a wasteful number, since it uses less digits than its factorization.

67842198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 134 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 67842198 is about 8236.6375421042. The cubic root of 67842198 is about 407.8495336166.

The spelling of 67842198 in words is "sixty-seven million, eight hundred forty-two thousand, one hundred ninety-eight".