730999 has 2 divisors, whose sum is σ = 731000. Its totient is φ = 730998.

The previous prime is 730993. The next prime is 731033. The reversal of 730999 is 999037.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 730999 - 2⁹ = 730487 is a prime.

730999 is a modest number, since divided by 999 gives 730 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365499 + 365500.

It is an arithmetic number, because the mean of its divisors is an integer number (365500).

2⁷³⁰⁹⁹⁹ is an apocalyptic number.

730999 is a deficient number, since it is larger than the sum of its proper divisors (1).

730999 is an equidigital number, since it uses as much as digits as its factorization.

730999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15309, while the sum is 37.

The square root of 730999 is about 854.9847951864. The cubic root of 730999 is about 90.0821882970.

The spelling of 730999 in words is "seven hundred thirty thousand, nine hundred ninety-nine".