730015621532 has 12 divisors (see below), whose sum is σ = 1281557394600. Its totient is φ = 363856365936.

The previous prime is 730015621481. The next prime is 730015621631. The reversal of 730015621532 is 235126510037.

It is a junction number, because it is equal to n+sod(n) for n = 730015621492 and 730015621501.

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 3 ways as a sum of consecutive naturals, for example, 287859782 + ... + 287862317.

It is an arithmetic number, because the mean of its divisors is an integer number (106796449550).

Almost surely, 2^730015621532 is an apocalyptic number.

It is an amenable number.

730015621532 is a deficient number, since it is larger than the sum of its proper divisors (551541773068).

730015621532 is a wasteful number, since it uses less digits than its factorization.

730015621532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575722420 (or 575722418 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 730015621532 in words is "seven hundred thirty billion, fifteen million, six hundred twenty-one thousand, five hundred thirty-two".