9729310972 has 6 divisors (see below), whose sum is σ = 17026294208. Its totient is φ = 4864655484.

The previous prime is 9729310967. The next prime is 9729311003. The reversal of 9729310972 is 2790139279.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1216163868 + ... + 1216163875.

Almost surely, 2^9729310972 is an apocalyptic number.

It is an amenable number.

9729310972 is a deficient number, since it is larger than the sum of its proper divisors (7296983236).

9729310972 is a wasteful number, since it uses less digits than its factorization.

9729310972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432327747 (or 2432327745 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 9729310972 is about 98637.2696905181. The cubic root of 9729310972 is about 2134.8172083064.

The spelling of 9729310972 in words is "nine billion, seven hundred twenty-nine million, three hundred ten thousand, nine hundred seventy-two".