716687560 has 32 divisors (see below), whose sum is σ = 1619609400. Its totient is φ = 285419520.

The previous prime is 716687557. The next prime is 716687563. The reversal of 716687560 is 65786617.

716687560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (716687557) and next prime (716687563).

It can be written as a sum of positive squares in 4 ways, for example, as 706815396 + 9872164 = 26586^2 + 3142^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 716687560.

It is not an unprimeable number, because it can be changed into a prime (716687563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29961 + ... + 48280.

Almost surely, 2^716687560 is an apocalyptic number.

It is an amenable number.

716687560 is an abundant number, since it is smaller than the sum of its proper divisors (902921840).

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

716687560 is a wasteful number, since it uses less digits than its factorization.

716687560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78481 (or 78477 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 716687560 is about 26771.0208994726. The cubic root of 716687560 is about 894.9043560601.

The spelling of 716687560 in words is "seven hundred sixteen million, six hundred eighty-seven thousand, five hundred sixty".