75020044 has 12 divisors (see below), whose sum is σ = 143220168. Its totient is φ = 34100000.

The previous prime is 75020041. The next prime is 75020051. The reversal of 75020044 is 44002057.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 75019997 and 75020024.

It is not an unprimeable number, because it can be changed into a prime (75020041) 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 3 ways as a sum of consecutive naturals, for example, 852457 + ... + 852544.

It is an arithmetic number, because the mean of its divisors is an integer number (11935014).

Almost surely, 2^75020044 is an apocalyptic number.

It is an amenable number.

75020044 is a deficient number, since it is larger than the sum of its proper divisors (68200124).

75020044 is a wasteful number, since it uses less digits than its factorization.

75020044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705016 (or 1705014 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 75020044 is about 8661.4112014152. The cubic root of 75020044 is about 421.7538976698.

The spelling of 75020044 in words is "seventy-five million, twenty thousand, forty-four".