716731523 has 4 divisors (see below), whose sum is σ = 722202888. Its totient is φ = 711260160.

The previous prime is 716731459. The next prime is 716731531. The reversal of 716731523 is 325137617.

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 716731523 - 2⁶ = 716731459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716731423) 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, 2735486 + ... + 2735747.

It is an arithmetic number, because the mean of its divisors is an integer number (180550722).

Almost surely, 2^716731523 is an apocalyptic number.

716731523 is a deficient number, since it is larger than the sum of its proper divisors (5471365).

716731523 is a wasteful number, since it uses less digits than its factorization.

716731523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471364.

The product of its digits is 26460, while the sum is 35.

The square root of 716731523 is about 26771.8419799610. The cubic root of 716731523 is about 894.9226540735.

The spelling of 716731523 in words is "seven hundred sixteen million, seven hundred thirty-one thousand, five hundred twenty-three".