9493788672 has 144 divisors (see below), whose sum is σ = 28864017000. Its totient is φ = 2997927936.

The previous prime is 9493788617. The next prime is 9493788673. The reversal of 9493788672 is 2768873949.

9493788672 is a `hidden beast` number, since 9 + 493 + 7 + 88 + 67 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9493788673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336654 + ... + 363762.

Almost surely, 2^9493788672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9493788672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14432008500).

9493788672 is an abundant number, since it is smaller than the sum of its proper divisors (19370228328).

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

9493788672 is a wasteful number, since it uses less digits than its factorization.

9493788672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27156 (or 27133 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The square root of 9493788672 is about 97436.0747977873. The cubic root of 9493788672 is about 2117.4501109736.

The spelling of 9493788672 in words is "nine billion, four hundred ninety-three million, seven hundred eighty-eight thousand, six hundred seventy-two".