713540 has 12 divisors (see below), whose sum is σ = 1498476. Its totient is φ = 285408.

The previous prime is 713533. The next prime is 713563. The reversal of 713540 is 45317.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 379456 + 334084 = 616^2 + 578^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 35677 = 713540 / (7 + 1 + 3 + 5 + 4 + 0).

It is an unprimeable number.

713540 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, 17819 + ... + 17858.

It is an arithmetic number, because the mean of its divisors is an integer number (124873).

2⁷¹³⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

713540 is an abundant number, since it is smaller than the sum of its proper divisors (784936).

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

713540 is a wasteful number, since it uses less digits than its factorization.

713540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35686 (or 35684 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 713540 is about 844.7129690019. The cubic root of 713540 is about 89.3592348348.

Adding to 713540 its reverse (45317), we get a palindrome (758857).

The spelling of 713540 in words is "seven hundred thirteen thousand, five hundred forty".