716145671 has 4 divisors (see below), whose sum is σ = 716957592. Its totient is φ = 715333752.

The previous prime is 716145667. The next prime is 716145707. The reversal of 716145671 is 176541617.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 716145671 - 2² = 716145667 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 (716145631) 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, 404636 + ... + 406401.

It is an arithmetic number, because the mean of its divisors is an integer number (179239398).

Almost surely, 2^716145671 is an apocalyptic number.

716145671 is a deficient number, since it is larger than the sum of its proper divisors (811921).

716145671 is an equidigital number, since it uses as much as digits as its factorization.

716145671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811920.

The product of its digits is 35280, while the sum is 38.

The square root of 716145671 is about 26760.8981725203. The cubic root of 716145671 is about 894.6787528237.

The spelling of 716145671 in words is "seven hundred sixteen million, one hundred forty-five thousand, six hundred seventy-one".