74085585 has 32 divisors (see below), whose sum is σ = 137505792. Its totient is φ = 33359040.

The previous prime is 74085523. The next prime is 74085587. The reversal of 74085585 is 58558047.

It is not a de Polignac number, because 74085585 - 2⁶ = 74085521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74085587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1770 + ... + 12300.

It is an arithmetic number, because the mean of its divisors is an integer number (4297056).

Almost surely, 2^74085585 is an apocalyptic number.

It is an amenable number.

74085585 is a deficient number, since it is larger than the sum of its proper divisors (63420207).

74085585 is a wasteful number, since it uses less digits than its factorization.

74085585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10613.

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 74085585 is about 8607.2983566274. The cubic root of 74085585 is about 419.9954364584.

The spelling of 74085585 in words is "seventy-four million, eighty-five thousand, five hundred eighty-five".