517327872 has 88 divisors (see below), whose sum is σ = 1408598016. Its totient is φ = 168726528.

The previous prime is 517327861. The next prime is 517327879. The reversal of 517327872 is 278723715.

It is not an unprimeable number, because it can be changed into a prime (517327879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142593 + ... + 146175.

Almost surely, 2^517327872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 517327872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704299008).

517327872 is an abundant number, since it is smaller than the sum of its proper divisors (891270144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

517327872 is a wasteful number, since it uses less digits than its factorization.

517327872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653 (or 3635 counting only the distinct ones).

The product of its digits is 164640, while the sum is 42.

The square root of 517327872 is about 22744.8427561063. The cubic root of 517327872 is about 802.7653632765.

The spelling of 517327872 in words is "five hundred seventeen million, three hundred twenty-seven thousand, eight hundred seventy-two".