9726347386672 has 40 divisors (see below), whose sum is σ = 21537115980800. Its totient is φ = 4168395127872.

The previous prime is 9726347386667. The next prime is 9726347386687. The reversal of 9726347386672 is 2766837436279.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13590529 + ... + 14288287.

It is an arithmetic number, because the mean of its divisors is an integer number (538427899520).

Almost surely, 2^{9726347386672} is an apocalyptic number.

It is an amenable number.

9726347386672 is an abundant number, since it is smaller than the sum of its proper divisors (11810768594128).

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

9726347386672 is a wasteful number, since it uses less digits than its factorization.

9726347386672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822233 (or 822227 counting only the distinct ones).

The product of its digits is 768144384, while the sum is 70.

The spelling of 9726347386672 in words is "nine trillion, seven hundred twenty-six billion, three hundred forty-seven million, three hundred eighty-six thousand, six hundred seventy-two".