73617634085 has 4 divisors (see below), whose sum is σ = 88341160908. Its totient is φ = 58894107264.

The previous prime is 73617634021. The next prime is 73617634133. The reversal of 73617634085 is 58043671637.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20118869281 + 53498764804 = 141841^2 + 231298^2 .

It is a cyclic number.

It is not a de Polignac number, because 73617634085 - 2⁶ = 73617634021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7361763404 + ... + 7361763413.

It is an arithmetic number, because the mean of its divisors is an integer number (22085290227).

Almost surely, 2^73617634085 is an apocalyptic number.

It is an amenable number.

73617634085 is a deficient number, since it is larger than the sum of its proper divisors (14723526823).

73617634085 is a wasteful number, since it uses less digits than its factorization.

73617634085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14723526822.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 73617634085 in words is "seventy-three billion, six hundred seventeen million, six hundred thirty-four thousand, eighty-five".