75184042 has 4 divisors (see below), whose sum is σ = 112776066. Its totient is φ = 37592020.

The previous prime is 75184027. The next prime is 75184069. The reversal of 75184042 is 24048157.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 71757841 + 3426201 = 8471^2 + 1851^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 75183995 and 75184013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18796009 + ... + 18796012.

Almost surely, 2^75184042 is an apocalyptic number.

75184042 is a deficient number, since it is larger than the sum of its proper divisors (37592024).

75184042 is a wasteful number, since it uses less digits than its factorization.

75184042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37592023.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 75184042 is about 8670.8731970892. The cubic root of 75184042 is about 422.0609998447.

The spelling of 75184042 in words is "seventy-five million, one hundred eighty-four thousand, forty-two".