42967218 has 48 divisors (see below), whose sum is σ = 101024064. Its totient is φ = 12146400.

The previous prime is 42967213. The next prime is 42967229. The reversal of 42967218 is 81276924.

It is not an unprimeable number, because it can be changed into a prime (42967213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28971 + ... + 30417.

It is an arithmetic number, because the mean of its divisors is an integer number (2104668).

Almost surely, 2^42967218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42967218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50512032).

42967218 is an abundant number, since it is smaller than the sum of its proper divisors (58056846).

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

42967218 is a wasteful number, since it uses less digits than its factorization.

42967218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1560 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 42967218 is about 6554.9384436469. The cubic root of 42967218 is about 350.2507536407.

The spelling of 42967218 in words is "forty-two million, nine hundred sixty-seven thousand, two hundred eighteen".