9973002740 has 72 divisors (see below), whose sum is σ = 22331634360. Its totient is φ = 3740387328.

The previous prime is 9973002737. The next prime is 9973002749. The reversal of 9973002740 is 472003799.

It can be written as a sum of positive squares in 12 ways, for example, as 1134746596 + 8838256144 = 33686^2 + 94012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973002749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1597946 + ... + 1604174.

Almost surely, 2^9973002740 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 9973002740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11165817180).

9973002740 is an abundant number, since it is smaller than the sum of its proper divisors (12358631620).

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

9973002740 is a wasteful number, since it uses less digits than its factorization.

9973002740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6549 (or 6530 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 9973002740 is about 99864.9224703049. The cubic root of 9973002740 is about 2152.4941482231.

The spelling of 9973002740 in words is "nine billion, nine hundred seventy-three million, two thousand, seven hundred forty".