75645875 has 8 divisors (see below), whose sum is σ = 94406208. Its totient is φ = 60516600.

The previous prime is 75645853. The next prime is 75645877. The reversal of 75645875 is 57854657.

It is not a de Polignac number, because 75645875 - 2⁶ = 75645811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75645877) 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 7 ways as a sum of consecutive naturals, for example, 302459 + ... + 302708.

It is an arithmetic number, because the mean of its divisors is an integer number (11800776).

Almost surely, 2^75645875 is an apocalyptic number.

75645875 is a deficient number, since it is larger than the sum of its proper divisors (18760333).

75645875 is an equidigital number, since it uses as much as digits as its factorization.

75645875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605182 (or 605172 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 47.

The square root of 75645875 is about 8697.4637107607. The cubic root of 75645875 is about 422.9234343626.

The spelling of 75645875 in words is "seventy-five million, six hundred forty-five thousand, eight hundred seventy-five".