716257197 has 6 divisors (see below), whose sum is σ = 1034593742. Its totient is φ = 477504792.

The previous prime is 716257187. The next prime is 716257247. The reversal of 716257197 is 791752617.

716257197 is a `hidden beast` number, since 7 + 1 + 625 + 7 + 19 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 438734916 + 277522281 = 20946^2 + 16659^2 .

It is not a de Polignac number, because 716257197 - 2⁶ = 716257133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716257127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39792058 + ... + 39792075.

Almost surely, 2^716257197 is an apocalyptic number.

It is an amenable number.

716257197 is a deficient number, since it is larger than the sum of its proper divisors (318336545).

716257197 is a wasteful number, since it uses less digits than its factorization.

716257197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79584139 (or 79584136 counting only the distinct ones).

The product of its digits is 185220, while the sum is 45.

The square root of 716257197 is about 26762.9818405947. The cubic root of 716257197 is about 894.7251934514.

The spelling of 716257197 in words is "seven hundred sixteen million, two hundred fifty-seven thousand, one hundred ninety-seven".