5172216073 has 4 divisors (see below), whose sum is σ = 5176957968. Its totient is φ = 5167474180.

The previous prime is 5172216053. The next prime is 5172216079. The reversal of 5172216073 is 3706122715.

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.

It is a cyclic number.

It is not a de Polignac number, because 5172216073 - 2⁵ = 5172216041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5172216079) 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, 2369311 + ... + 2371492.

It is an arithmetic number, because the mean of its divisors is an integer number (1294239492).

Almost surely, 2^5172216073 is an apocalyptic number.

It is an amenable number.

5172216073 is a deficient number, since it is larger than the sum of its proper divisors (4741895).

5172216073 is a wasteful number, since it uses less digits than its factorization.

5172216073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741894.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 5172216073 is about 71918.1206164344. The cubic root of 5172216073 is about 1729.3871188195.

Adding to 5172216073 its reverse (3706122715), we get a palindrome (8878338788).

The spelling of 5172216073 in words is "five billion, one hundred seventy-two million, two hundred sixteen thousand, seventy-three".