75085444 has 24 divisors (see below), whose sum is σ = 153238400. Its totient is φ = 32178888.

The previous prime is 75085433. The next prime is 75085457. The reversal of 75085444 is 44458057.

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 7 ways as a sum of consecutive naturals, for example, 25992 + ... + 28735.

Almost surely, 2^75085444 is an apocalyptic number.

It is an amenable number.

75085444 is an abundant number, since it is smaller than the sum of its proper divisors (78152956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75085444 is a wasteful number, since it uses less digits than its factorization.

75085444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54752 (or 54736 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 75085444 is about 8665.1857452682. The cubic root of 75085444 is about 421.8764191191.

The spelling of 75085444 in words is "seventy-five million, eighty-five thousand, four hundred forty-four".