731350724873 has 2 divisors, whose sum is σ = 731350724874. Its totient is φ = 731350724872.

The previous prime is 731350724857. The next prime is 731350724971. The reversal of 731350724873 is 378427053137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633565057024 + 97785667849 = 795968^2 + 312707^2 .

It is a cyclic number.

It is not a de Polignac number, because 731350724873 - 2⁴ = 731350724857 is a prime.

It is a super-2 number, since 2×731350724873² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (731350724843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365675362436 + 365675362437.

It is an arithmetic number, because the mean of its divisors is an integer number (365675362437).

Almost surely, 2^731350724873 is an apocalyptic number.

It is an amenable number.

731350724873 is a deficient number, since it is larger than the sum of its proper divisors (1).

731350724873 is an equidigital number, since it uses as much as digits as its factorization.

731350724873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 731350724873 in words is "seven hundred thirty-one billion, three hundred fifty million, seven hundred twenty-four thousand, eight hundred seventy-three".