9699478272 has 576 divisors, whose sum is σ = 33377702400. Its totient is φ = 2750791680.

The previous prime is 9699478253. The next prime is 9699478273. The reversal of 9699478272 is 2728749969.

9699478272 is a `hidden beast` number, since 9 + 6 + 99 + 478 + 2 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is not an unprimeable number, because it can be changed into a prime (9699478273) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116861143 + ... + 116861225.

It is an arithmetic number, because the mean of its divisors is an integer number (57947400).

Almost surely, 2^9699478272 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 9699478272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16688851200).

9699478272 is an abundant number, since it is smaller than the sum of its proper divisors (23678224128).

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

9699478272 is a wasteful number, since it uses less digits than its factorization.

9699478272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 181 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 9699478272 is about 98485.9293097242. The cubic root of 9699478272 is about 2132.6329985902.

The spelling of 9699478272 in words is "nine billion, six hundred ninety-nine million, four hundred seventy-eight thousand, two hundred seventy-two".