716506 has 16 divisors (see below), whose sum is σ = 1249920. Its totient is φ = 301680.

The previous prime is 716501. The next prime is 716531. The reversal of 716506 is 605617.

It is not an unprimeable number, because it can be changed into a prime (716501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435 + ... + 1273.

It is an arithmetic number, because the mean of its divisors is an integer number (78120).

2⁷¹⁶⁵⁰⁶ is an apocalyptic number.

716506 is a deficient number, since it is larger than the sum of its proper divisors (533414).

716506 is a wasteful number, since it uses less digits than its factorization.

716506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 716506 is about 846.4667743036. The cubic root of 716506 is about 89.4828780330.

Subtracting from 716506 its reverse (605617), we obtain a square (110889 = 333²).

The spelling of 716506 in words is "seven hundred sixteen thousand, five hundred six".