716240 has 40 divisors (see below), whose sum is σ = 1904640. Its totient is φ = 245376.

The previous prime is 716173. The next prime is 716249. The reversal of 716240 is 42617.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80 + ... + 1199.

It is an arithmetic number, because the mean of its divisors is an integer number (47616).

2⁷¹⁶²⁴⁰ is an apocalyptic number.

716240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 716240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952320).

716240 is an abundant number, since it is smaller than the sum of its proper divisors (1188400).

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

716240 is a wasteful number, since it uses less digits than its factorization.

716240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 716240 is about 846.3096360080. The cubic root of 716240 is about 89.4718032750.

Adding to 716240 its reverse (42617), we get a palindrome (758857).

The spelling of 716240 in words is "seven hundred sixteen thousand, two hundred forty".