9972722276080 has 40 divisors (see below), whose sum is σ = 23579572172400. Its totient is φ = 3921477232128.

The previous prime is 9972722276051. The next prime is 9972722276089. The reversal of 9972722276080 is 806722272799.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9972722276089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056427725 + ... + 1056437164.

It is an arithmetic number, because the mean of its divisors is an integer number (589489304310).

Almost surely, 2^{9972722276080} is an apocalyptic number.

It is an amenable number.

9972722276080 is an abundant number, since it is smaller than the sum of its proper divisors (13606849896320).

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

9972722276080 is a wasteful number, since it uses less digits than its factorization.

9972722276080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112864961 (or 2112864955 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 61.

The spelling of 9972722276080 in words is "nine trillion, nine hundred seventy-two billion, seven hundred twenty-two million, two hundred seventy-six thousand, eighty".