716497 has 4 divisors (see below), whose sum is σ = 718900. Its totient is φ = 714096.

The previous prime is 716491. The next prime is 716501. The reversal of 716497 is 794617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 794617 = 149 ⋅5333.

It can be written as a sum of positive squares in 2 ways, for example, as 450241 + 266256 = 671^2 + 516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678 + ... + 1375.

It is an arithmetic number, because the mean of its divisors is an integer number (179725).

2⁷¹⁶⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

716497 is a deficient number, since it is larger than the sum of its proper divisors (2403).

716497 is a wasteful number, since it uses less digits than its factorization.

716497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402.

The product of its digits is 10584, while the sum is 34.

The square root of 716497 is about 846.4614580712. The cubic root of 716497 is about 89.4825033679.

The spelling of 716497 in words is "seven hundred sixteen thousand, four hundred ninety-seven".