75038140 has 12 divisors (see below), whose sum is σ = 157580136. Its totient is φ = 30015248.

The previous prime is 75038111. The next prime is 75038143. The reversal of 75038140 is 4183057.

It is a junction number, because it is equal to n+sod(n) for n = 75038099 and 75038108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75038143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875934 + ... + 1875973.

It is an arithmetic number, because the mean of its divisors is an integer number (13131678).

Almost surely, 2^75038140 is an apocalyptic number.

It is an amenable number.

75038140 is an abundant number, since it is smaller than the sum of its proper divisors (82541996).

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

75038140 is a wasteful number, since it uses less digits than its factorization.

75038140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751916 (or 3751914 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 75038140 is about 8662.4557718929. The cubic root of 75038140 is about 421.7878061408.

The spelling of 75038140 in words is "seventy-five million, thirty-eight thousand, one hundred forty".