730718 has 8 divisors (see below), whose sum is σ = 1104840. Its totient is φ = 362440.

The previous prime is 730679. The next prime is 730727. The reversal of 730718 is 817037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

730718 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 1133 + ... + 1656.

It is an arithmetic number, because the mean of its divisors is an integer number (138105).

2⁷³⁰⁷¹⁸ is an apocalyptic number.

730718 is a deficient number, since it is larger than the sum of its proper divisors (374122).

730718 is a wasteful number, since it uses less digits than its factorization.

730718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 730718 is about 854.8204489833. The cubic root of 730718 is about 90.0706441229.

The spelling of 730718 in words is "seven hundred thirty thousand, seven hundred eighteen".