730791 has 6 divisors (see below), whose sum is σ = 1055600. Its totient is φ = 487188.

The previous prime is 730789. The next prime is 730799. The reversal of 730791 is 197037.

730791 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 730791 - 2¹ = 730789 is a prime.

It is a Duffinian number.

730791 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730799) 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 5 ways as a sum of consecutive naturals, for example, 40591 + ... + 40608.

2⁷³⁰⁷⁹¹ is an apocalyptic number.

730791 is a deficient number, since it is larger than the sum of its proper divisors (324809).

730791 is a wasteful number, since it uses less digits than its factorization.

730791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81205 (or 81202 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 730791 is about 854.8631469422. The cubic root of 730791 is about 90.0736434278.

It can be divided in two parts, 730 and 791, that added together give a square (1521 = 39²).

The spelling of 730791 in words is "seven hundred thirty thousand, seven hundred ninety-one".