66241075 has 12 divisors (see below), whose sum is σ = 84972240. Its totient is φ = 51164960.

The previous prime is 66241039. The next prime is 66241093. The reversal of 66241075 is 57014266.

It is a happy number.

It is not a de Polignac number, because 66241075 - 2⁹ = 66240563 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44959 + ... + 46408.

It is an arithmetic number, because the mean of its divisors is an integer number (7081020).

Almost surely, 2^66241075 is an apocalyptic number.

66241075 is a deficient number, since it is larger than the sum of its proper divisors (18731165).

66241075 is a wasteful number, since it uses less digits than its factorization.

66241075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91406 (or 91401 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 66241075 is about 8138.8620211919. The cubic root of 66241075 is about 404.6154455725.

The spelling of 66241075 in words is "sixty-six million, two hundred forty-one thousand, seventy-five".