6347946272 has 48 divisors (see below), whose sum is σ = 13071663360. Its totient is φ = 3028810752.

The previous prime is 6347946223. The next prime is 6347946281. The reversal of 6347946272 is 2726497436.

It is a self number, because there is not a number n which added to its sum of digits gives 6347946272.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308729 + ... + 328647.

It is an arithmetic number, because the mean of its divisors is an integer number (272326320).

Almost surely, 2^6347946272 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 6347946272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6535831680).

6347946272 is an abundant number, since it is smaller than the sum of its proper divisors (6723717088).

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

6347946272 is a wasteful number, since it uses less digits than its factorization.

6347946272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20385 (or 20377 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 50.

The square root of 6347946272 is about 79673.9999748977. Note that the first 4 decimals coincide. The cubic root of 6347946272 is about 1851.5882413499.

The spelling of 6347946272 in words is "six billion, three hundred forty-seven million, nine hundred forty-six thousand, two hundred seventy-two".