9974966520 has 64 divisors (see below), whose sum is σ = 30189762720. Its totient is φ = 2636447744.

The previous prime is 9974966513. The next prime is 9974966537. The reversal of 9974966520 is 256694799.

It is a happy number.

9974966520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 354249 + ... + 381368.

Almost surely, 2^9974966520 is an apocalyptic number.

It is an amenable number.

9974966520 is an abundant number, since it is smaller than the sum of its proper divisors (20214796200).

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

9974966520 is a wasteful number, since it uses less digits than its factorization.

9974966520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735744 (or 735740 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 57.

The square root of 9974966520 is about 99874.7541674071. The cubic root of 9974966520 is about 2152.6354212061.

The spelling of 9974966520 in words is "nine billion, nine hundred seventy-four million, nine hundred sixty-six thousand, five hundred twenty".