716729 has 6 divisors (see below), whose sum is σ = 776286. Its totient is φ = 661440.

The previous prime is 716713. The next prime is 716731. The reversal of 716729 is 927617.

716729 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 3 ways, for example, as 76729 + 640000 = 277^2 + 800^2 .

It is not a de Polignac number, because 716729 - 2⁴ = 716713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 716695 and 716704.

It is not an unprimeable number, because it can be changed into a prime (716789) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1952 + ... + 2289.

It is an arithmetic number, because the mean of its divisors is an integer number (129381).

2⁷¹⁶⁷²⁹ is an apocalyptic number.

It is an amenable number.

716729 is a deficient number, since it is larger than the sum of its proper divisors (59557).

716729 is a wasteful number, since it uses less digits than its factorization.

716729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267 (or 4254 counting only the distinct ones).

The product of its digits is 5292, while the sum is 32.

The square root of 716729 is about 846.5984880686. The cubic root of 716729 is about 89.4921603986.

The spelling of 716729 in words is "seven hundred sixteen thousand, seven hundred twenty-nine".