9730621432 has 128 divisors (see below), whose sum is σ = 22543833600. Its totient is φ = 3842961408.

The previous prime is 9730621429. The next prime is 9730621447. The reversal of 9730621432 is 2341260379.

It is a junction number, because it is equal to n+sod(n) for n = 9730621391 and 9730621400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11327419 + ... + 11328277.

It is an arithmetic number, because the mean of its divisors is an integer number (176123700).

Almost surely, 2^9730621432 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 9730621432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11271916800).

9730621432 is an abundant number, since it is smaller than the sum of its proper divisors (12813212168).

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

9730621432 is a wasteful number, since it uses less digits than its factorization.

9730621432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 9730621432 is about 98643.9122906224. The cubic root of 9730621432 is about 2134.9130515774.

The spelling of 9730621432 in words is "nine billion, seven hundred thirty million, six hundred twenty-one thousand, four hundred thirty-two".