75105636 has 12 divisors (see below), whose sum is σ = 175246512. Its totient is φ = 25035208.

The previous prime is 75105631. The next prime is 75105637. The reversal of 75105636 is 63650157.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 75105597 and 75105606.

It is not an unprimeable number, because it can be changed into a prime (75105631) 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, 3129390 + ... + 3129413.

It is an arithmetic number, because the mean of its divisors is an integer number (14603876).

Almost surely, 2^75105636 is an apocalyptic number.

It is an amenable number.

75105636 is an abundant number, since it is smaller than the sum of its proper divisors (100140876).

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

75105636 is a wasteful number, since it uses less digits than its factorization.

75105636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258810 (or 6258808 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 75105636 is about 8666.3507891153. The cubic root of 75105636 is about 421.9142327739.

The spelling of 75105636 in words is "seventy-five million, one hundred five thousand, six hundred thirty-six".