9764570191072 has 96 divisors (see below), whose sum is σ = 19797098025600. Its totient is φ = 4738577141760.

The previous prime is 9764570191009. The next prime is 9764570191073. The reversal of 9764570191072 is 2701910754679.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9764570190998 and 9764570191016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9764570191073) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 138231922 + ... + 138302542.

It is an arithmetic number, because the mean of its divisors is an integer number (206219771100).

Almost surely, 2^{9764570191072} 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 9764570191072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9898549012800).

9764570191072 is an abundant number, since it is smaller than the sum of its proper divisors (10032527834528).

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

9764570191072 is a wasteful number, since it uses less digits than its factorization.

9764570191072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71444 (or 71436 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 58.

The spelling of 9764570191072 in words is "nine trillion, seven hundred sixty-four billion, five hundred seventy million, one hundred ninety-one thousand, seventy-two".