716740 has 12 divisors (see below), whose sum is σ = 1505196. Its totient is φ = 286688.

The previous prime is 716731. The next prime is 716741. The reversal of 716740 is 47617.

It can be written as a sum of positive squares in 2 ways, for example, as 232324 + 484416 = 482^2 + 696^2 .

It is not an unprimeable number, because it can be changed into a prime (716741) by changing a digit.

716740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17899 + ... + 17938.

It is an arithmetic number, because the mean of its divisors is an integer number (125433).

2⁷¹⁶⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

716740 is an abundant number, since it is smaller than the sum of its proper divisors (788456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

716740 is a wasteful number, since it uses less digits than its factorization.

716740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35846 (or 35844 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 716740 is about 846.6049846298. The cubic root of 716740 is about 89.4926182233.

The spelling of 716740 in words is "seven hundred sixteen thousand, seven hundred forty".