730663 has 2 divisors, whose sum is σ = 730664. Its totient is φ = 730662.

The previous prime is 730637. The next prime is 730669. The reversal of 730663 is 366037.

It is a happy number.

730663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 730663 - 2¹⁷ = 599591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365331 + 365332.

It is an arithmetic number, because the mean of its divisors is an integer number (365332).

2⁷³⁰⁶⁶³ is an apocalyptic number.

730663 is a deficient number, since it is larger than the sum of its proper divisors (1).

730663 is an equidigital number, since it uses as much as digits as its factorization.

730663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 730663 is about 854.7882778794. The cubic root of 730663 is about 90.0683842408.

The spelling of 730663 in words is "seven hundred thirty thousand, six hundred sixty-three".