75065944 has 16 divisors (see below), whose sum is σ = 141003720. Its totient is φ = 37464960.

The previous prime is 75065899. The next prime is 75065953. The reversal of 75065944 is 44956057.

It is a super-2 number, since 2×75065944² = 11269791897222272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75065897 and 75065906.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3649 + ... + 12784.

Almost surely, 2^75065944 is an apocalyptic number.

It is an amenable number.

75065944 is a deficient number, since it is larger than the sum of its proper divisors (65937776).

75065944 is a wasteful number, since it uses less digits than its factorization.

75065944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17010 (or 17006 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 75065944 is about 8664.0604799366. The cubic root of 75065944 is about 421.8398949408.

The spelling of 75065944 in words is "seventy-five million, sixty-five thousand, nine hundred forty-four".