73502570225 has 24 divisors (see below), whose sum is σ = 105929142720. Its totient is φ = 49547488320.

The previous prime is 73502570201. The next prime is 73502570291. The reversal of 73502570225 is 52207520537.

It is not a de Polignac number, because 73502570225 - 2¹⁴ = 73502553841 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3549122 + ... + 3569771.

It is an arithmetic number, because the mean of its divisors is an integer number (4413714280).

Almost surely, 2^73502570225 is an apocalyptic number.

It is an amenable number.

73502570225 is a deficient number, since it is larger than the sum of its proper divisors (32426572495).

73502570225 is a wasteful number, since it uses less digits than its factorization.

73502570225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7118969 (or 7118964 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 38.

The spelling of 73502570225 in words is "seventy-three billion, five hundred two million, five hundred seventy thousand, two hundred twenty-five".