730549505 has 16 divisors (see below), whose sum is σ = 1018880640. Its totient is φ = 492456192.

The previous prime is 730549453. The next prime is 730549531. The reversal of 730549505 is 505945037.

It is a happy number.

730549505 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 730549505 - 2⁸ = 730549249 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 174824 + ... + 178953.

It is an arithmetic number, because the mean of its divisors is an integer number (63680040).

Almost surely, 2^730549505 is an apocalyptic number.

It is an amenable number.

730549505 is a deficient number, since it is larger than the sum of its proper divisors (288331135).

730549505 is a wasteful number, since it uses less digits than its factorization.

730549505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353848.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 730549505 is about 27028.6793055081. The cubic root of 730549505 is about 900.6372051273.

It can be divided in two parts, 730 and 549505, that multiplied together give a triangular number (401138650 = T₂₈₃₂₄).

The spelling of 730549505 in words is "seven hundred thirty million, five hundred forty-nine thousand, five hundred five".