9712572017 has 4 divisors (see below), whose sum is σ = 9758603376. Its totient is φ = 9666540660.

The previous prime is 9712572011. The next prime is 9712572029. The reversal of 9712572017 is 7102752179.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7102752179 = 101 ⋅70324279.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9712572017 is a prime.

It is a super-2 number, since 2×9712572017² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9712572011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23015363 + ... + 23015784.

It is an arithmetic number, because the mean of its divisors is an integer number (2439650844).

Almost surely, 2^9712572017 is an apocalyptic number.

It is an amenable number.

9712572017 is a deficient number, since it is larger than the sum of its proper divisors (46031359).

9712572017 is a wasteful number, since it uses less digits than its factorization.

9712572017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46031358.

The product of its (nonzero) digits is 61740, while the sum is 41.

The square root of 9712572017 is about 98552.3820970351. The cubic root of 9712572017 is about 2133.5922115827.

The spelling of 9712572017 in words is "nine billion, seven hundred twelve million, five hundred seventy-two thousand, seventeen".