75005066 has 4 divisors (see below), whose sum is σ = 112507602. Its totient is φ = 37502532.

The previous prime is 75005041. The next prime is 75005101. The reversal of 75005066 is 66050057.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 66178225 + 8826841 = 8135^2 + 2971^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18751265 + ... + 18751268.

Almost surely, 2^75005066 is an apocalyptic number.

75005066 is a deficient number, since it is larger than the sum of its proper divisors (37502536).

75005066 is a wasteful number, since it uses less digits than its factorization.

75005066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37502535.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 75005066 is about 8660.5465185518. The cubic root of 75005066 is about 421.7258276146.

The spelling of 75005066 in words is "seventy-five million, five thousand, sixty-six".