730355 has 12 divisors (see below), whose sum is σ = 908640. Its totient is φ = 563472.

The previous prime is 730339. The next prime is 730363. The reversal of 730355 is 553037.

730355 = T₅₃₈ + T₅₃₉ + ... + T₅₄₂.

It is not a de Polignac number, because 730355 - 2⁴ = 730339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 730355.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9206 + ... + 9284.

It is an arithmetic number, because the mean of its divisors is an integer number (75720).

2⁷³⁰³⁵⁵ is an apocalyptic number.

730355 is a deficient number, since it is larger than the sum of its proper divisors (178285).

730355 is an equidigital number, since it uses as much as digits as its factorization.

730355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 23.

The square root of 730355 is about 854.6080973171. The cubic root of 730355 is about 90.0557268045.

The spelling of 730355 in words is "seven hundred thirty thousand, three hundred fifty-five".