9999473724 has 36 divisors (see below), whose sum is σ = 25282167456. Its totient is φ = 3332403648.

The previous prime is 9999473711. The next prime is 9999473741. The reversal of 9999473724 is 4273749999.

9999473724 is a `hidden beast` number, since 9 + 9 + 99 + 473 + 72 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143152 + ... + 201224.

Almost surely, 2^9999473724 is an apocalyptic number.

It is an amenable number.

9999473724 is an abundant number, since it is smaller than the sum of its proper divisors (15282693732).

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

9999473724 is a wasteful number, since it uses less digits than its factorization.

9999473724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62866 (or 62861 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The square root of 9999473724 is about 99997.3685853783. The cubic root of 9999473724 is about 2154.3968951265.

The spelling of 9999473724 in words is "nine billion, nine hundred ninety-nine million, four hundred seventy-three thousand, seven hundred twenty-four".