6767220450 has 96 divisors (see below), whose sum is σ = 17473453056. Its totient is φ = 1731663360.

The previous prime is 6767220433. The next prime is 6767220451. The reversal of 6767220450 is 540227676.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6767220399 and 6767220408.

It is not an unprimeable number, because it can be changed into a prime (6767220451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 396799 + ... + 413501.

It is an arithmetic number, because the mean of its divisors is an integer number (182015136).

Almost surely, 2^6767220450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6767220450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8736726528).

6767220450 is an abundant number, since it is smaller than the sum of its proper divisors (10706232606).

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

6767220450 is a wasteful number, since it uses less digits than its factorization.

6767220450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16828 (or 16823 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 6767220450 is about 82263.1171911203. The cubic root of 6767220450 is about 1891.4873513671.

The spelling of 6767220450 in words is "six billion, seven hundred sixty-seven million, two hundred twenty thousand, four hundred fifty".