730493 has 4 divisors (see below), whose sum is σ = 768960. Its totient is φ = 692028.

The previous prime is 730487. The next prime is 730537. The reversal of 730493 is 394037.

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.

It is a cyclic number.

It is not a de Polignac number, because 730493 - 2⁸ = 730237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730993) 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, 19205 + ... + 19242.

It is an arithmetic number, because the mean of its divisors is an integer number (192240).

2⁷³⁰⁴⁹³ is an apocalyptic number.

It is an amenable number.

730493 is a deficient number, since it is larger than the sum of its proper divisors (38467).

730493 is a wasteful number, since it uses less digits than its factorization.

730493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38466.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 730493 is about 854.6888322659. The cubic root of 730493 is about 90.0613984334.

The spelling of 730493 in words is "seven hundred thirty thousand, four hundred ninety-three".