73086605 has 4 divisors (see below), whose sum is σ = 87703932. Its totient is φ = 58469280.

The previous prime is 73086593. The next prime is 73086631. The reversal of 73086605 is 50668037.

It is a happy number.

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 50779876 + 22306729 = 7126^2 + 4723^2 .

It is not a de Polignac number, because 73086605 - 2¹⁰ = 73085581 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, 7308656 + ... + 7308665.

It is an arithmetic number, because the mean of its divisors is an integer number (21925983).

Almost surely, 2^73086605 is an apocalyptic number.

It is an amenable number.

73086605 is a deficient number, since it is larger than the sum of its proper divisors (14617327).

73086605 is a wasteful number, since it uses less digits than its factorization.

73086605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14617326.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 73086605 is about 8549.0704173027. The cubic root of 73086605 is about 418.0991290578.

The spelling of 73086605 in words is "seventy-three million, eighty-six thousand, six hundred five".