716731671 has 4 divisors (see below), whose sum is σ = 955642232. Its totient is φ = 477821112.

The previous prime is 716731669. The next prime is 716731709. The reversal of 716731671 is 176137617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176137617 = 3 ⋅58712539.

It is not a de Polignac number, because 716731671 - 2¹ = 716731669 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 (716731601) 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, 119455276 + ... + 119455281.

It is an arithmetic number, because the mean of its divisors is an integer number (238910558).

Almost surely, 2^716731671 is an apocalyptic number.

716731671 is a deficient number, since it is larger than the sum of its proper divisors (238910561).

716731671 is a wasteful number, since it uses less digits than its factorization.

716731671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238910560.

The product of its digits is 37044, while the sum is 39.

The square root of 716731671 is about 26771.8447440590. The cubic root of 716731671 is about 894.9227156719.

The spelling of 716731671 in words is "seven hundred sixteen million, seven hundred thirty-one thousand, six hundred seventy-one".