730168560245 has 4 divisors (see below), whose sum is σ = 876202272300. Its totient is φ = 584134848192.

The previous prime is 730168560223. The next prime is 730168560257. The reversal of 730168560245 is 542065861037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542065861037 = 149 ⋅3638025913.

It can be written as a sum of positive squares in 2 ways, for example, as 281602158244 + 448566402001 = 530662^2 + 669751^2 .

It is a cyclic number.

It is not a de Polignac number, because 730168560245 - 2⁶ = 730168560181 is a prime.

It is a super-2 number, since 2×730168560245² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 730168560245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73016856020 + ... + 73016856029.

It is an arithmetic number, because the mean of its divisors is an integer number (219050568075).

Almost surely, 2^730168560245 is an apocalyptic number.

It is an amenable number.

730168560245 is a deficient number, since it is larger than the sum of its proper divisors (146033712055).

730168560245 is a wasteful number, since it uses less digits than its factorization.

730168560245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146033712054.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 730168560245 in words is "seven hundred thirty billion, one hundred sixty-eight million, five hundred sixty thousand, two hundred forty-five".