9729673930 has 16 divisors (see below), whose sum is σ = 17521132104. Its totient is φ = 3890154240.

The previous prime is 9729673927. The next prime is 9729673951. The reversal of 9729673930 is 393769279.

9729673930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9715453489 + 14220441 = 98567^2 + 3771^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190467 + ... + 236086.

Almost surely, 2^9729673930 is an apocalyptic number.

9729673930 is a deficient number, since it is larger than the sum of its proper divisors (7791458174).

9729673930 is a wasteful number, since it uses less digits than its factorization.

9729673930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428841.

The product of its (nonzero) digits is 3857868, while the sum is 55.

The square root of 9729673930 is about 98639.1095357212. The cubic root of 9729673930 is about 2134.8437548711.

The spelling of 9729673930 in words is "nine billion, seven hundred twenty-nine million, six hundred seventy-three thousand, nine hundred thirty".