730615194640 has 20 divisors (see below), whose sum is σ = 1698680327724. Its totient is φ = 292246077824.

The previous prime is 730615194611. The next prime is 730615194641. The reversal of 730615194640 is 46491516037.

It can be written as a sum of positive squares in 2 ways, for example, as 226850258944 + 503764935696 = 476288^2 + 709764^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (730615194641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4566344887 + ... + 4566345046.

Almost surely, 2^730615194640 is an apocalyptic number.

It is an amenable number.

730615194640 is an abundant number, since it is smaller than the sum of its proper divisors (968065133084).

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

730615194640 is a wasteful number, since it uses less digits than its factorization.

730615194640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9132689946 (or 9132689940 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 730615194640 in words is "seven hundred thirty billion, six hundred fifteen million, one hundred ninety-four thousand, six hundred forty".