9729246825 has 48 divisors (see below), whose sum is σ = 17987023360. Its totient is φ = 5155824960.

The previous prime is 9729246811. The next prime is 9729246827. The reversal of 9729246825 is 5286429279.

9729246825 is a `hidden beast` number, since 9 + 72 + 92 + 468 + 25 = 666.

It is not a de Polignac number, because 9729246825 - 2⁷ = 9729246697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9729246827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60072 + ... + 151878.

Almost surely, 2^9729246825 is an apocalyptic number.

It is an amenable number.

9729246825 is a deficient number, since it is larger than the sum of its proper divisors (8257776535).

9729246825 is a wasteful number, since it uses less digits than its factorization.

9729246825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91983 (or 91972 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 9729246825 is about 98636.9445238446. The cubic root of 9729246825 is about 2134.8125165586.

The spelling of 9729246825 in words is "nine billion, seven hundred twenty-nine million, two hundred forty-six thousand, eight hundred twenty-five".