75106542 has 32 divisors (see below), whose sum is σ = 171984384. Its totient is φ = 21420000.

The previous prime is 75106519. The next prime is 75106543. The reversal of 75106542 is 24560157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75106543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28167 + ... + 30717.

It is an arithmetic number, because the mean of its divisors is an integer number (5374512).

Almost surely, 2^75106542 is an apocalyptic number.

75106542 is an abundant number, since it is smaller than the sum of its proper divisors (96877842).

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

75106542 is a wasteful number, since it uses less digits than its factorization.

75106542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 75106542 is about 8666.4030600936. The cubic root of 75106542 is about 421.9159292855.

Adding to 75106542 its reverse (24560157), we get a palindrome (99666699).

The spelling of 75106542 in words is "seventy-five million, one hundred six thousand, five hundred forty-two".