9730724 has 6 divisors (see below), whose sum is σ = 17028774. Its totient is φ = 4865360.

The previous prime is 9730723. The next prime is 9730727. The reversal of 9730724 is 4270379.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6604900 + 3125824 = 2570^2 + 1768^2 .

It is not an unprimeable number, because it can be changed into a prime (9730723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1216337 + ... + 1216344.

It is an arithmetic number, because the mean of its divisors is an integer number (2838129).

Almost surely, 2^9730724 is an apocalyptic number.

It is an amenable number.

9730724 is a deficient number, since it is larger than the sum of its proper divisors (7298050).

9730724 is a wasteful number, since it uses less digits than its factorization.

9730724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432685 (or 2432683 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 9730724 is about 3119.4108418097. The cubic root of 9730724 is about 213.4920552742.

The spelling of 9730724 in words is "nine million, seven hundred thirty thousand, seven hundred twenty-four".