67843216 has 40 divisors (see below), whose sum is σ = 151708544. Its totient is φ = 28788480.

The previous prime is 67843213. The next prime is 67843219. The reversal of 67843216 is 61234876.

It is an interprime number because it is at equal distance from previous prime (67843213) and next prime (67843219).

It is a super-3 number, since 3×67843216³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (67843213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8596 + ... + 14476.

Almost surely, 2^67843216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67843216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75854272).

67843216 is an abundant number, since it is smaller than the sum of its proper divisors (83865328).

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

67843216 is a wasteful number, since it uses less digits than its factorization.

67843216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999 (or 5993 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 67843216 is about 8236.6993389343. The cubic root of 67843216 is about 407.8515735896.

It can be divided in two parts, 6784 and 3216, that added together give a 4-th power (10000 = 10⁴).

The spelling of 67843216 in words is "sixty-seven million, eight hundred forty-three thousand, two hundred sixteen".