730673 has 4 divisors (see below), whose sum is σ = 734580. Its totient is φ = 726768.

The previous prime is 730669. The next prime is 730679. The reversal of 730673 is 376037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 376037 = 523 ⋅719.

It can be written as a sum of positive squares in 2 ways, for example, as 506944 + 223729 = 712^2 + 473^2 .

It is a cyclic number.

It is not a de Polignac number, because 730673 - 2² = 730669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730679) 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, 1658 + ... + 2051.

It is an arithmetic number, because the mean of its divisors is an integer number (183645).

2⁷³⁰⁶⁷³ is an apocalyptic number.

It is an amenable number.

730673 is a deficient number, since it is larger than the sum of its proper divisors (3907).

730673 is a wasteful number, since it uses less digits than its factorization.

730673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906.

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 730673 is about 854.7941272611. The cubic root of 730673 is about 90.0687951369.

The spelling of 730673 in words is "seven hundred thirty thousand, six hundred seventy-three".