730273 has 4 divisors (see below), whose sum is σ = 762048. Its totient is φ = 698500.

The previous prime is 730253. The next prime is 730277. The reversal of 730273 is 372037.

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 730273 - 2⁹ = 729761 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730277) 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, 15853 + ... + 15898.

It is an arithmetic number, because the mean of its divisors is an integer number (190512).

2⁷³⁰²⁷³ is an apocalyptic number.

It is an amenable number.

730273 is a deficient number, since it is larger than the sum of its proper divisors (31775).

730273 is a wasteful number, since it uses less digits than its factorization.

730273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31774.

The product of its (nonzero) digits is 882, while the sum is 22.

The square root of 730273 is about 854.5601207639. The cubic root of 730273 is about 90.0523563677.

The spelling of 730273 in words is "seven hundred thirty thousand, two hundred seventy-three".