9732749440 has 64 divisors (see below), whose sum is σ = 23562000000. Its totient is φ = 3843800064.

The previous prime is 9732749423. The next prime is 9732749501. The reversal of 9732749440 is 449472379.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 45690 + ... + 146809.

It is an arithmetic number, because the mean of its divisors is an integer number (368156250).

Almost surely, 2^9732749440 is an apocalyptic number.

It is an amenable number.

9732749440 is an abundant number, since it is smaller than the sum of its proper divisors (13829250560).

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

9732749440 is a wasteful number, since it uses less digits than its factorization.

9732749440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192597 (or 192585 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 49.

The square root of 9732749440 is about 98654.6980128164. The cubic root of 9732749440 is about 2135.0686696245.

The spelling of 9732749440 in words is "nine billion, seven hundred thirty-two million, seven hundred forty-nine thousand, four hundred forty".