716689230625 has 15 divisors (see below), whose sum is σ = 895601310373. Its totient is φ = 573334453000.

The previous prime is 716689230619. The next prime is 716689230683. The reversal of 716689230625 is 526032986617.

The square root of 716689230625 is 846575.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 56188435681 + 660500794944 = 237041^2 + 812712^2 .

It is not a de Polignac number, because 716689230625 - 2²⁵ = 716655676193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 21147444 + ... + 21181306.

Almost surely, 2^716689230625 is an apocalyptic number.

716689230625 is the 846575-th square number.

716689230625 is the 423288-th centered octagonal number.

It is an amenable number.

716689230625 is a deficient number, since it is larger than the sum of its proper divisors (178912079748).

716689230625 is an frugal number, since it uses more digits than its factorization.

716689230625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67746 (or 33868 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 716689230625 in words is "seven hundred sixteen billion, six hundred eighty-nine million, two hundred thirty thousand, six hundred twenty-five".