7305308481 has 16 divisors (see below), whose sum is σ = 10092332160. Its totient is φ = 4694780160.

The previous prime is 7305308473. The next prime is 7305308489. The reversal of 7305308481 is 1848035037.

It is an interprime number because it is at equal distance from previous prime (7305308473) and next prime (7305308489).

It is not a de Polignac number, because 7305308481 - 2³ = 7305308473 is a prime.

It is a super-2 number, since 2×7305308481² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7305308489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11640 + ... + 121433.

It is an arithmetic number, because the mean of its divisors is an integer number (630770760).

Almost surely, 2^7305308481 is an apocalyptic number.

It is an amenable number.

7305308481 is a deficient number, since it is larger than the sum of its proper divisors (2787023679).

7305308481 is a wasteful number, since it uses less digits than its factorization.

7305308481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133736.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 7305308481 is about 85471.0973429030. The cubic root of 7305308481 is about 1940.3475199345.

The spelling of 7305308481 in words is "seven billion, three hundred five million, three hundred eight thousand, four hundred eighty-one".