7217534317 has 4 divisors (see below), whose sum is σ = 8248610656. Its totient is φ = 6186457980.

The previous prime is 7217534249. The next prime is 7217534321. The reversal of 7217534317 is 7134357127.

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: 7134357127 = 9433 ⋅756319.

It is a cyclic number.

It is not a de Polignac number, because 7217534317 - 2¹¹ = 7217532269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7217534317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7217534377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515538159 + ... + 515538172.

It is an arithmetic number, because the mean of its divisors is an integer number (2062152664).

Almost surely, 2^7217534317 is an apocalyptic number.

It is an amenable number.

7217534317 is a deficient number, since it is larger than the sum of its proper divisors (1031076339).

7217534317 is a wasteful number, since it uses less digits than its factorization.

7217534317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031076338.

The product of its digits is 123480, while the sum is 40.

The square root of 7217534317 is about 84956.0728671000. The cubic root of 7217534317 is about 1932.5450166939.

The spelling of 7217534317 in words is "seven billion, two hundred seventeen million, five hundred thirty-four thousand, three hundred seventeen".