6347520672 has 24 divisors (see below), whose sum is σ = 16662242016. Its totient is φ = 2115840192.

The previous prime is 6347520671. The next prime is 6347520679. The reversal of 6347520672 is 2760257436.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (6347520671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33059908 + ... + 33060099.

It is an arithmetic number, because the mean of its divisors is an integer number (694260084).

Almost surely, 2^6347520672 is an apocalyptic number.

It is an amenable number.

6347520672 is an abundant number, since it is smaller than the sum of its proper divisors (10314721344).

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

6347520672 is a wasteful number, since it uses less digits than its factorization.

6347520672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66120020 (or 66120012 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The square root of 6347520672 is about 79671.3290462761. The cubic root of 6347520672 is about 1851.5468603250.

The spelling of 6347520672 in words is "six billion, three hundred forty-seven million, five hundred twenty thousand, six hundred seventy-two".