9447132970 has 64 divisors (see below), whose sum is σ = 18832953600. Its totient is φ = 3383424000.

The previous prime is 9447132943. The next prime is 9447132971. The reversal of 9447132970 is 792317449.

It is a super-2 number, since 2×9447132970² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 9447132970.

It is not an unprimeable number, because it can be changed into a prime (9447132971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2208754 + ... + 2213026.

It is an arithmetic number, because the mean of its divisors is an integer number (294264900).

Almost surely, 2^9447132970 is an apocalyptic number.

9447132970 is a deficient number, since it is larger than the sum of its proper divisors (9385820630).

9447132970 is a wasteful number, since it uses less digits than its factorization.

9447132970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 9447132970 is about 97196.3629463572. The cubic root of 9447132970 is about 2113.9757904074.

The spelling of 9447132970 in words is "nine billion, four hundred forty-seven million, one hundred thirty-two thousand, nine hundred seventy".