9993242672 has 30 divisors (see below), whose sum is σ = 22523037228. Its totient is φ = 4282817952.

The previous prime is 9993242671. The next prime is 9993242683. The reversal of 9993242672 is 2762423999.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9993242671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6372458 + ... + 6374025.

Almost surely, 2^9993242672 is an apocalyptic number.

It is an amenable number.

9993242672 is an abundant number, since it is smaller than the sum of its proper divisors (12529794556).

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

9993242672 is a wasteful number, since it uses less digits than its factorization.

9993242672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12746505 (or 12746492 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 53.

The square root of 9993242672 is about 99966.2076503855. The cubic root of 9993242672 is about 2153.9493066238.

The spelling of 9993242672 in words is "nine billion, nine hundred ninety-three million, two hundred forty-two thousand, six hundred seventy-two".