66771230 has 8 divisors (see below), whose sum is σ = 120188232. Its totient is φ = 26708488.

The previous prime is 66771203. The next prime is 66771251. The reversal of 66771230 is 3217766.

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, 3338552 + ... + 3338571.

It is an arithmetic number, because the mean of its divisors is an integer number (15023529).

Almost surely, 2^66771230 is an apocalyptic number.

66771230 is a deficient number, since it is larger than the sum of its proper divisors (53417002).

66771230 is a wasteful number, since it uses less digits than its factorization.

66771230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677130.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 66771230 is about 8171.3664707930. The cubic root of 66771230 is about 405.6920140734.

Adding to 66771230 its reverse (3217766), we get a palindrome (69988996).

The spelling of 66771230 in words is "sixty-six million, seven hundred seventy-one thousand, two hundred thirty".