730893 has 4 divisors (see below), whose sum is σ = 974528. Its totient is φ = 487260.

The previous prime is 730889. The next prime is 730901. The reversal of 730893 is 398037.

730893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 398037 = 3 ⋅132679.

It is not a de Polignac number, because 730893 - 2² = 730889 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 730893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121813 + ... + 121818.

It is an arithmetic number, because the mean of its divisors is an integer number (243632).

2⁷³⁰⁸⁹³ is an apocalyptic number.

It is an amenable number.

730893 is a deficient number, since it is larger than the sum of its proper divisors (243635).

730893 is a wasteful number, since it uses less digits than its factorization.

730893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243634.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 730893 is about 854.9228035326. The cubic root of 730893 is about 90.0778339028.

The spelling of 730893 in words is "seven hundred thirty thousand, eight hundred ninety-three".