730023555 has 16 divisors (see below), whose sum is σ = 1171229184. Its totient is φ = 388282080.

The previous prime is 730023551. The next prime is 730023577. The reversal of 730023555 is 555320037.

It is not a de Polignac number, because 730023555 - 2² = 730023551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (730023551) 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 in 15 ways as a sum of consecutive naturals, for example, 60801 + ... + 71810.

It is an arithmetic number, because the mean of its divisors is an integer number (73201824).

Almost surely, 2^730023555 is an apocalyptic number.

730023555 is a deficient number, since it is larger than the sum of its proper divisors (441205629).

730023555 is a wasteful number, since it uses less digits than its factorization.

730023555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132986.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 730023555 is about 27018.9480735280. The cubic root of 730023555 is about 900.4210190664.

The spelling of 730023555 in words is "seven hundred thirty million, twenty-three thousand, five hundred fifty-five".