973270665 has 12 divisors (see below), whose sum is σ = 1687002564. Its totient is φ = 519077664.

The previous prime is 973270603. The next prime is 973270673. The reversal of 973270665 is 566072379.

It can be written as a sum of positive squares in 2 ways, for example, as 318729609 + 654541056 = 17853^2 + 25584^2 .

It is not a de Polignac number, because 973270665 - 2⁶ = 973270601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 21628237 = 973270665 / (9 + 7 + 3 + 2 + 7 + 0 + 6 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 973270665.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10814074 + ... + 10814163.

It is an arithmetic number, because the mean of its divisors is an integer number (140583547).

Almost surely, 2^973270665 is an apocalyptic number.

It is an amenable number.

973270665 is a deficient number, since it is larger than the sum of its proper divisors (713731899).

973270665 is a wasteful number, since it uses less digits than its factorization.

973270665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21628248 (or 21628245 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 973270665 is about 31197.2861800510. The cubic root of 973270665 is about 991.0096372648.

The spelling of 973270665 in words is "nine hundred seventy-three million, two hundred seventy thousand, six hundred sixty-five".