9730072 has 16 divisors (see below), whose sum is σ = 19902600. Its totient is φ = 4422720.

The previous prime is 9730043. The next prime is 9730087. The reversal of 9730072 is 2700379.

It is a happy number.

It is a super-2 number, since 2×9730072² = 189348602250368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9730072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55197 + ... + 55372.

Almost surely, 2^9730072 is an apocalyptic number.

It is an amenable number.

9730072 is an abundant number, since it is smaller than the sum of its proper divisors (10172528).

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

9730072 is a wasteful number, since it uses less digits than its factorization.

9730072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110586 (or 110582 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 9730072 is about 3119.3063331452. The cubic root of 9730072 is about 213.4872868751.

The spelling of 9730072 in words is "nine million, seven hundred thirty thousand, seventy-two".