730336329018 has 12 divisors (see below), whose sum is σ = 1582395379578. Its totient is φ = 243445443000.

The previous prime is 730336329017. The next prime is 730336329029. The reversal of 730336329018 is 810923633037.

730336329018 is a `hidden beast` number, since 7 + 3 + 0 + 3 + 3 + 632 + 9 + 0 + 1 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 441125773929 + 289210555089 = 664173^2 + 537783^2 .

It is not an unprimeable number, because it can be changed into a prime (730336329017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20287120233 + ... + 20287120268.

Almost surely, 2^730336329018 is an apocalyptic number.

730336329018 is an abundant number, since it is smaller than the sum of its proper divisors (852059050560).

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

730336329018 is a wasteful number, since it uses less digits than its factorization.

730336329018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40574240509 (or 40574240506 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 730336329018 in words is "seven hundred thirty billion, three hundred thirty-six million, three hundred twenty-nine thousand, eighteen".