75985305 has 32 divisors (see below), whose sum is σ = 135146880. Its totient is φ = 36142080.

The previous prime is 75985297. The next prime is 75985319. The reversal of 75985305 is 50358957.

It is not a de Polignac number, because 75985305 - 2³ = 75985297 is a prime.

It is an unprimeable number.

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, 4401 + ... + 13089.

It is an arithmetic number, because the mean of its divisors is an integer number (4223340).

Almost surely, 2^75985305 is an apocalyptic number.

It is an amenable number.

75985305 is a deficient number, since it is larger than the sum of its proper divisors (59161575).

75985305 is a wasteful number, since it uses less digits than its factorization.

75985305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8761.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 75985305 is about 8716.9550302844. The cubic root of 75985305 is about 423.5550560396. Note that the first 3 decimals are identical.

The spelling of 75985305 in words is "seventy-five million, nine hundred eighty-five thousand, three hundred five".