73652238565 has 8 divisors (see below), whose sum is σ = 88398578808. Its totient is φ = 58911195840.

The previous prime is 73652238521. The next prime is 73652238679. The reversal of 73652238565 is 56583225637.

It can be written as a sum of positive squares in 4 ways, for example, as 8460872289 + 65191366276 = 91983^2 + 255326^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73652238565 - 2²⁹ = 73115367653 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1293726 + ... + 1349455.

It is an arithmetic number, because the mean of its divisors is an integer number (11049822351).

Almost surely, 2^73652238565 is an apocalyptic number.

It is an amenable number.

73652238565 is a deficient number, since it is larger than the sum of its proper divisors (14746340243).

73652238565 is a wasteful number, since it uses less digits than its factorization.

73652238565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648759.

The product of its digits is 9072000, while the sum is 52.

The spelling of 73652238565 in words is "seventy-three billion, six hundred fifty-two million, two hundred thirty-eight thousand, five hundred sixty-five".