66412795 has 8 divisors (see below), whose sum is σ = 84383424. Its totient is φ = 50004864.

The previous prime is 66412789. The next prime is 66412807. The reversal of 66412795 is 59721466.

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

It is a cyclic number.

It is not a de Polignac number, because 66412795 - 2⁷ = 66412667 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 390579 + ... + 390748.

It is an arithmetic number, because the mean of its divisors is an integer number (10547928).

Almost surely, 2^66412795 is an apocalyptic number.

66412795 is a deficient number, since it is larger than the sum of its proper divisors (17970629).

66412795 is a wasteful number, since it uses less digits than its factorization.

66412795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781349.

The product of its digits is 90720, while the sum is 40.

The square root of 66412795 is about 8149.4045794770. The cubic root of 66412795 is about 404.9647787284.

The spelling of 66412795 in words is "sixty-six million, four hundred twelve thousand, seven hundred ninety-five".