9247742216 has 32 divisors (see below), whose sum is σ = 17583615000. Its totient is φ = 4559233536.

The previous prime is 9247742197. The next prime is 9247742219. The reversal of 9247742216 is 6122477429.

It can be written as a sum of positive squares in 4 ways, for example, as 6151264900 + 3096477316 = 78430^2 + 55646^2 .

It is not an unprimeable number, because it can be changed into a prime (9247742219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134990 + ... + 191618.

Almost surely, 2^9247742216 is an apocalyptic number.

It is an amenable number.

9247742216 is a deficient number, since it is larger than the sum of its proper divisors (8335872784).

9247742216 is a wasteful number, since it uses less digits than its factorization.

9247742216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56921 (or 56917 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 9247742216 is about 96165.1819319238. The cubic root of 9247742216 is about 2098.9974213511.

The spelling of 9247742216 in words is "nine billion, two hundred forty-seven million, seven hundred forty-two thousand, two hundred sixteen".