716745 has 16 divisors (see below), whose sum is σ = 1164672. Its totient is φ = 376320.

The previous prime is 716743. The next prime is 716747. The reversal of 716745 is 547617.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (716743) and next prime (716747).

It is not a de Polignac number, because 716745 - 2¹ = 716743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (716741) 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 15 ways as a sum of consecutive naturals, for example, 729 + ... + 1401.

It is an arithmetic number, because the mean of its divisors is an integer number (72792).

2⁷¹⁶⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

716745 is a deficient number, since it is larger than the sum of its proper divisors (447927).

716745 is a wasteful number, since it uses less digits than its factorization.

716745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752.

The product of its digits is 5880, while the sum is 30.

The square root of 716745 is about 846.6079375957. The cubic root of 716745 is about 89.4928263239.

The spelling of 716745 in words is "seven hundred sixteen thousand, seven hundred forty-five".