731713 has 2 divisors, whose sum is σ = 731714. Its totient is φ = 731712.

The previous prime is 731711. The next prime is 731719. The reversal of 731713 is 317137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452929 + 278784 = 673^2 + 528^2 .

It is a cyclic number.

It is not a de Polignac number, because 731713 - 2¹ = 731711 is a prime.

Together with 731711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (731711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365856 + 365857.

It is an arithmetic number, because the mean of its divisors is an integer number (365857).

2⁷³¹⁷¹³ is an apocalyptic number.

It is an amenable number.

731713 is a deficient number, since it is larger than the sum of its proper divisors (1).

731713 is an equidigital number, since it uses as much as digits as its factorization.

731713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 441, while the sum is 22.

The square root of 731713 is about 855.4022445610. The cubic root of 731713 is about 90.1115078778. Note that the first 3 decimals are identical.

It can be divided in two parts, 731 and 713, that added together give a square (1444 = 38²).

The spelling of 731713 in words is "seven hundred thirty-one thousand, seven hundred thirteen".