75805742 has 8 divisors (see below), whose sum is σ = 114210216. Its totient is φ = 37735672.

The previous prime is 75805733. The next prime is 75805747. The reversal of 75805742 is 24750857.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 75805696 and 75805705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75805747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83033 + ... + 83940.

It is an arithmetic number, because the mean of its divisors is an integer number (14276277).

Almost surely, 2^75805742 is an apocalyptic number.

75805742 is a deficient number, since it is larger than the sum of its proper divisors (38404474).

75805742 is a wasteful number, since it uses less digits than its factorization.

75805742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167202.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 75805742 is about 8706.6492980940. The cubic root of 75805742 is about 423.2211546166.

The spelling of 75805742 in words is "seventy-five million, eight hundred five thousand, seven hundred forty-two".