73085865 has 8 divisors (see below), whose sum is σ = 116937408. Its totient is φ = 38979120.

The previous prime is 73085863. The next prime is 73085867. The reversal of 73085865 is 56858037.

It is an interprime number because it is at equal distance from previous prime (73085863) and next prime (73085867).

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

It is not a de Polignac number, because 73085865 - 2¹ = 73085863 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (73085861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2436181 + ... + 2436210.

It is an arithmetic number, because the mean of its divisors is an integer number (14617176).

Almost surely, 2^73085865 is an apocalyptic number.

It is an amenable number.

73085865 is a deficient number, since it is larger than the sum of its proper divisors (43851543).

73085865 is a wasteful number, since it uses less digits than its factorization.

73085865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872399.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 73085865 is about 8549.0271376338. The cubic root of 73085865 is about 418.0977179721.

The spelling of 73085865 in words is "seventy-three million, eighty-five thousand, eight hundred sixty-five".