730909128008 has 8 divisors (see below), whose sum is σ = 1370454615030. Its totient is φ = 365454564000.

The previous prime is 730909127981. The next prime is 730909128049. The reversal of 730909128008 is 800821909037.

It can be written as a sum of positive squares in only one way, i.e., 505950535204 + 224958592804 = 711302^2 + 474298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 45681820493 + ... + 45681820508.

Almost surely, 2^730909128008 is an apocalyptic number.

It is an amenable number.

730909128008 is a deficient number, since it is larger than the sum of its proper divisors (639545487022).

730909128008 is a wasteful number, since it uses less digits than its factorization.

730909128008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91363641007 (or 91363641003 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 730909128008 in words is "seven hundred thirty billion, nine hundred nine million, one hundred twenty-eight thousand, eight".