730235728628 has 18 divisors (see below), whose sum is σ = 1486551305106. Its totient is φ = 312958169328.

The previous prime is 730235728597. The next prime is 730235728633. The reversal of 730235728628 is 826827532037.

It can be written as a sum of positive squares in only one way, i.e., 715560344464 + 14675384164 = 845908^2 + 121142^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 730235728628.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1862846051 + ... + 1862846442.

It is an arithmetic number, because the mean of its divisors is an integer number (82586183617).

Almost surely, 2^730235728628 is an apocalyptic number.

It is an amenable number.

730235728628 is an abundant number, since it is smaller than the sum of its proper divisors (756315576478).

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

730235728628 is a wasteful number, since it uses less digits than its factorization.

730235728628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725692511 (or 3725692502 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 730235728628 in words is "seven hundred thirty billion, two hundred thirty-five million, seven hundred twenty-eight thousand, six hundred twenty-eight".