730844 has 6 divisors (see below), whose sum is σ = 1278984. Its totient is φ = 365420.

The previous prime is 730843. The next prime is 730853. The reversal of 730844 is 448037.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730843) 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 as a sum of consecutive naturals, namely, 91352 + ... + 91359.

It is an arithmetic number, because the mean of its divisors is an integer number (213164).

2⁷³⁰⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

730844 is a deficient number, since it is larger than the sum of its proper divisors (548140).

730844 is a wasteful number, since it uses less digits than its factorization.

730844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182715 (or 182713 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 730844 is about 854.8941454940. The cubic root of 730844 is about 90.0758208801.

The spelling of 730844 in words is "seven hundred thirty thousand, eight hundred forty-four".