9999533072 has 40 divisors (see below), whose sum is σ = 19712845440. Its totient is φ = 4912951680.

The previous prime is 9999533053. The next prime is 9999533077. The reversal of 9999533072 is 2703359999.

It is a junction number, because it is equal to n+sod(n) for n = 9999532999 and 9999533017.

It is not an unprimeable number, because it can be changed into a prime (9999533077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247958 + ... + 285450.

It is an arithmetic number, because the mean of its divisors is an integer number (492821136).

Almost surely, 2^9999533072 is an apocalyptic number.

It is an amenable number.

9999533072 is a deficient number, since it is larger than the sum of its proper divisors (9713312368).

9999533072 is a wasteful number, since it uses less digits than its factorization.

9999533072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37791 (or 37785 counting only the distinct ones).

The product of its (nonzero) digits is 4133430, while the sum is 56.

The square root of 9999533072 is about 99997.6653327466. The cubic root of 9999533072 is about 2154.4011573139.

The spelling of 9999533072 in words is "nine billion, nine hundred ninety-nine million, five hundred thirty-three thousand, seventy-two".