66374582 has 8 divisors (see below), whose sum is σ = 100289016. Its totient is φ = 32944912.

The previous prime is 66374557. The next prime is 66374597. The reversal of 66374582 is 28547366.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120848 + ... + 121395.

It is an arithmetic number, because the mean of its divisors is an integer number (12536127).

Almost surely, 2^66374582 is an apocalyptic number.

66374582 is a deficient number, since it is larger than the sum of its proper divisors (33914434).

66374582 is a wasteful number, since it uses less digits than its factorization.

66374582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242382.

The product of its digits is 241920, while the sum is 41.

The square root of 66374582 is about 8147.0597150138. The cubic root of 66374582 is about 404.8870934568.

The spelling of 66374582 in words is "sixty-six million, three hundred seventy-four thousand, five hundred eighty-two".