6866740224 has 176 divisors, whose sum is σ = 20427422400. Its totient is φ = 2278637568.

The previous prime is 6866740217. The next prime is 6866740241. The reversal of 6866740224 is 4220476686.

It is a self number, because there is not a number n which added to its sum of digits gives 6866740224.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8487532 + ... + 8488340.

It is an arithmetic number, because the mean of its divisors is an integer number (116064900).

Almost surely, 2^6866740224 is an apocalyptic number.

6866740224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6866740224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10213711200).

6866740224 is an abundant number, since it is smaller than the sum of its proper divisors (13560682176).

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

6866740224 is a wasteful number, since it uses less digits than its factorization.

6866740224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The square root of 6866740224 is about 82865.7964663346. The cubic root of 6866740224 is about 1900.7144334505.

The spelling of 6866740224 in words is "six billion, eight hundred sixty-six million, seven hundred forty thousand, two hundred twenty-four".