73016515865 has 8 divisors (see below), whose sum is σ = 88103907528. Its totient is φ = 58090487040.

The previous prime is 73016515837. The next prime is 73016515909. The reversal of 73016515865 is 56851561037.

It can be written as a sum of positive squares in 4 ways, for example, as 1990921 + 73014524944 = 1411^2 + 270212^2 .

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

It is not a de Polignac number, because 73016515865 - 2¹⁰ = 73016514841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40339712 + ... + 40341521.

It is an arithmetic number, because the mean of its divisors is an integer number (11012988441).

Almost surely, 2^73016515865 is an apocalyptic number.

It is an amenable number.

73016515865 is a deficient number, since it is larger than the sum of its proper divisors (15087391663).

73016515865 is a wasteful number, since it uses less digits than its factorization.

73016515865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80681419.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 73016515865 in words is "seventy-three billion, sixteen million, five hundred fifteen thousand, eight hundred sixty-five".