717728058 has 48 divisors (see below), whose sum is σ = 1624686336. Its totient is φ = 228720960.

The previous prime is 717728051. The next prime is 717728069. The reversal of 717728058 is 850827717.

It is a super-3 number, since 3×717728058³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (717728051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38566 + ... + 54062.

It is an arithmetic number, because the mean of its divisors is an integer number (33847632).

Almost surely, 2^717728058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 717728058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812343168).

717728058 is an abundant number, since it is smaller than the sum of its proper divisors (906958278).

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

717728058 is a wasteful number, since it uses less digits than its factorization.

717728058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15619 (or 15616 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 45.

The square root of 717728058 is about 26790.4471407254. The cubic root of 717728058 is about 895.3372252722.

The spelling of 717728058 in words is "seven hundred seventeen million, seven hundred twenty-eight thousand, fifty-eight".