75105042 has 32 divisors (see below), whose sum is σ = 154853952. Its totient is φ = 24266304.

The previous prime is 75104941. The next prime is 75105049. The reversal of 75105042 is 24050157.

It is not an unprimeable number, because it can be changed into a prime (75105049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82353 + ... + 83259.

It is an arithmetic number, because the mean of its divisors is an integer number (4839186).

Almost surely, 2^75105042 is an apocalyptic number.

75105042 is an abundant number, since it is smaller than the sum of its proper divisors (79748910).

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

75105042 is a wasteful number, since it uses less digits than its factorization.

75105042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 75105042 is about 8666.3165185677. The cubic root of 75105042 is about 421.9131204840.

Adding to 75105042 its reverse (24050157), we get a palindrome (99155199).

The spelling of 75105042 in words is "seventy-five million, one hundred five thousand, forty-two".