75042044 has 24 divisors (see below), whose sum is σ = 163728768. Its totient is φ = 29237040.

The previous prime is 75042007. The next prime is 75042049. The reversal of 75042044 is 44024057.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75042049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121514 + ... + 122129.

It is an arithmetic number, because the mean of its divisors is an integer number (6822032).

Almost surely, 2^75042044 is an apocalyptic number.

It is an amenable number.

75042044 is an abundant number, since it is smaller than the sum of its proper divisors (88686724).

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

75042044 is a wasteful number, since it uses less digits than its factorization.

75042044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243665 (or 243663 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 75042044 is about 8662.6811092179. The cubic root of 75042044 is about 421.7951207812.

The spelling of 75042044 in words is "seventy-five million, forty-two thousand, forty-four".