716040 has 160 divisors (see below), whose sum is σ = 2744280. Its totient is φ = 165888.

The previous prime is 716033. The next prime is 716063. The reversal of 716040 is 40617.

It can be written as a sum of positive squares in 4 ways, for example, as 544644 + 171396 = 738^2 + 414^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

716040 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 39 ways as a sum of consecutive naturals, for example, 42112 + ... + 42128.

2⁷¹⁶⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 716040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1372140).

716040 is an abundant number, since it is smaller than the sum of its proper divisors (2028240).

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

716040 is a wasteful number, since it uses less digits than its factorization.

716040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 716040 is about 846.1914676951. The cubic root of 716040 is about 89.4634745832.

Adding to 716040 its reverse (40617), we get a palindrome (756657).

The spelling of 716040 in words is "seven hundred sixteen thousand, forty".