75040044 has 24 divisors (see below), whose sum is σ = 184309440. Its totient is φ = 23696784.

The previous prime is 75040039. The next prime is 75040061. The reversal of 75040044 is 44004057.

It is a junction number, because it is equal to n+sod(n) for n = 75039996 and 75040023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164334 + ... + 164789.

It is an arithmetic number, because the mean of its divisors is an integer number (7679560).

Almost surely, 2^75040044 is an apocalyptic number.

It is an amenable number.

75040044 is an abundant number, since it is smaller than the sum of its proper divisors (109269396).

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

75040044 is a wasteful number, since it uses less digits than its factorization.

75040044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329149 (or 329147 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 75040044 is about 8662.5656707467. The cubic root of 75040044 is about 421.7913735586.

The spelling of 75040044 in words is "seventy-five million, forty thousand, forty-four".