66942214 has 8 divisors (see below), whose sum is σ = 100698840. Its totient is φ = 33375936.

The previous prime is 66942203. The next prime is 66942221. The reversal of 66942214 is 41224966.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66942214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46704 + ... + 48115.

It is an arithmetic number, because the mean of its divisors is an integer number (12587355).

Almost surely, 2^66942214 is an apocalyptic number.

66942214 is a deficient number, since it is larger than the sum of its proper divisors (33756626).

66942214 is a wasteful number, since it uses less digits than its factorization.

66942214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95174.

The product of its digits is 20736, while the sum is 34.

The square root of 66942214 is about 8181.8221686859. The cubic root of 66942214 is about 406.0380099821.

The spelling of 66942214 in words is "sixty-six million, nine hundred forty-two thousand, two hundred fourteen".