730717 has 4 divisors (see below), whose sum is σ = 786940. Its totient is φ = 674496.

The previous prime is 730679. The next prime is 730727. The reversal of 730717 is 717037.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 306916 + 423801 = 554^2 + 651^2 .

It is a cyclic number.

It is not a de Polignac number, because 730717 - 2⁷ = 730589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730691 and 730700.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 730717.

It is not an unprimeable number, because it can be changed into a prime (730727) 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 3 ways as a sum of consecutive naturals, for example, 28092 + ... + 28117.

It is an arithmetic number, because the mean of its divisors is an integer number (196735).

2⁷³⁰⁷¹⁷ is an apocalyptic number.

It is an amenable number.

730717 is a deficient number, since it is larger than the sum of its proper divisors (56223).

730717 is a wasteful number, since it uses less digits than its factorization.

730717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56222.

The product of its (nonzero) digits is 1029, while the sum is 25.

The square root of 730717 is about 854.8198640649. The cubic root of 730717 is about 90.0706030352.

The spelling of 730717 in words is "seven hundred thirty thousand, seven hundred seventeen".