9519900072 has 16 divisors (see below), whose sum is σ = 23799750240. Its totient is φ = 3173300016.

The previous prime is 9519900067. The next prime is 9519900079. The reversal of 9519900072 is 2700099159.

9519900072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9519899997 and 9519900033.

It is not an unprimeable number, because it can be changed into a prime (9519900079) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 198331228 + ... + 198331275.

It is an arithmetic number, because the mean of its divisors is an integer number (1487484390).

Almost surely, 2^9519900072 is an apocalyptic number.

It is an amenable number.

9519900072 is an abundant number, since it is smaller than the sum of its proper divisors (14279850168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9519900072 is a wasteful number, since it uses less digits than its factorization.

9519900072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396662512 (or 396662508 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 9519900072 is about 97569.9752587854. The cubic root of 9519900072 is about 2119.3895887088.

The spelling of 9519900072 in words is "nine billion, five hundred nineteen million, nine hundred thousand, seventy-two".