9317247272 has 8 divisors (see below), whose sum is σ = 17469838650. Its totient is φ = 4658623632.

The previous prime is 9317247271. The next prime is 9317247287. The reversal of 9317247272 is 2727427139.

It can be written as a sum of positive squares in only one way, i.e., 7615354756 + 1701892516 = 87266^2 + 41254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×9317247272² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9317247271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582327947 + ... + 582327962.

Almost surely, 2^9317247272 is an apocalyptic number.

It is an amenable number.

9317247272 is a deficient number, since it is larger than the sum of its proper divisors (8152591378).

9317247272 is a wasteful number, since it uses less digits than its factorization.

9317247272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164655915 (or 1164655911 counting only the distinct ones).

The product of its digits is 296352, while the sum is 44.

The square root of 9317247272 is about 96525.8891282541. The cubic root of 9317247272 is about 2104.2429161671.

The spelling of 9317247272 in words is "nine billion, three hundred seventeen million, two hundred forty-seven thousand, two hundred seventy-two".