7305720753361 has 12 divisors (see below), whose sum is σ = 7520115230208. Its totient is φ = 7097281475472.

The previous prime is 7305720753341. The next prime is 7305720753413. The reversal of 7305720753361 is 1633570275037.

It is not a de Polignac number, because 7305720753361 - 2²¹ = 7305718656209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7305720753341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3238321 + ... + 5009806.

It is an arithmetic number, because the mean of its divisors is an integer number (626676269184).

Almost surely, 2^{7305720753361} is an apocalyptic number.

It is an amenable number.

7305720753361 is a deficient number, since it is larger than the sum of its proper divisors (214394476847).

7305720753361 is an equidigital number, since it uses as much as digits as its factorization.

7305720753361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8248848 (or 8248811 counting only the distinct ones).

The product of its (nonzero) digits is 2778300, while the sum is 49.

The spelling of 7305720753361 in words is "seven trillion, three hundred five billion, seven hundred twenty million, seven hundred fifty-three thousand, three hundred sixty-one".