730015728580 has 48 divisors (see below), whose sum is σ = 1564463703600. Its totient is φ = 286073192448.

The previous prime is 730015728571. The next prime is 730015728649. The reversal of 730015728580 is 85827510037.

It can be written as a sum of positive squares in 8 ways, for example, as 8793563076 + 721222165504 = 93774^2 + 849248^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 730015728580.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1460349 + ... + 1895428.

It is an arithmetic number, because the mean of its divisors is an integer number (32592993825).

Almost surely, 2^730015728580 is an apocalyptic number.

It is an amenable number.

730015728580 is an abundant number, since it is smaller than the sum of its proper divisors (834447975020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730015728580 is a wasteful number, since it uses less digits than its factorization.

730015728580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356008 (or 3356006 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 730015728580 in words is "seven hundred thirty billion, fifteen million, seven hundred twenty-eight thousand, five hundred eighty".