9725930 has 16 divisors (see below), whose sum is σ = 17542440. Its totient is φ = 3882432.

The previous prime is 9725923. The next prime is 9725939. The reversal of 9725930 is 395279.

It can be written as a sum of positive squares in 4 ways, for example, as 6589489 + 3136441 = 2567^2 + 1771^2 .

It is not an unprimeable number, because it can be changed into a prime (9725939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8216 + ... + 9324.

Almost surely, 2^9725930 is an apocalyptic number.

9725930 is a deficient number, since it is larger than the sum of its proper divisors (7816510).

9725930 is a wasteful number, since it uses less digits than its factorization.

9725930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 9725930 is about 3118.6423328109. The cubic root of 9725930 is about 213.4569893998.

The spelling of 9725930 in words is "nine million, seven hundred twenty-five thousand, nine hundred thirty".