9731001072 has 120 divisors (see below), whose sum is σ = 27801149184. Its totient is φ = 2930333952.

The previous prime is 9731001067. The next prime is 9731001089. The reversal of 9731001072 is 2701001379.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368503 + ... + 394025.

Almost surely, 2^9731001072 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 9731001072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13900574592).

9731001072 is an abundant number, since it is smaller than the sum of its proper divisors (18070148112).

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

9731001072 is a wasteful number, since it uses less digits than its factorization.

9731001072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25607 (or 25588 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 9731001072 is about 98645.8365669834. The cubic root of 9731001072 is about 2134.9408157463.

The spelling of 9731001072 in words is "nine billion, seven hundred thirty-one million, one thousand, seventy-two".