730872318425 has 12 divisors (see below), whose sum is σ = 907695550716. Its totient is φ = 583785676800.

The previous prime is 730872318419. The next prime is 730872318461. The reversal of 730872318425 is 524813278037.

It can be written as a sum of positive squares in 6 ways, for example, as 14921111104 + 715951207321 = 122152^2 + 846139^2 .

It is not a de Polignac number, because 730872318425 - 2⁴ = 730872318409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 22788104 + ... + 22820153.

It is an arithmetic number, because the mean of its divisors is an integer number (75641295893).

Almost surely, 2^730872318425 is an apocalyptic number.

It is an amenable number.

730872318425 is a deficient number, since it is larger than the sum of its proper divisors (176823232291).

730872318425 is a wasteful number, since it uses less digits than its factorization.

730872318425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45608908 (or 45608903 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 730872318425 in words is "seven hundred thirty billion, eight hundred seventy-two million, three hundred eighteen thousand, four hundred twenty-five".