9731072 has 88 divisors (see below), whose sum is σ = 22697136. Its totient is φ = 4128768.

The previous prime is 9731053. The next prime is 9731081. The reversal of 9731072 is 2701379.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226283 + ... + 226325.

It is an arithmetic number, because the mean of its divisors is an integer number (257922).

Almost surely, 2^9731072 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 9731072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11348568).

9731072 is an abundant number, since it is smaller than the sum of its proper divisors (12966064).

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

9731072 is a wasteful number, since it uses less digits than its factorization.

9731072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 9731072 is about 3119.4666210748. The cubic root of 9731072 is about 213.4946002836.

The spelling of 9731072 in words is "nine million, seven hundred thirty-one thousand, seventy-two".