66613714 has 8 divisors (see below), whose sum is σ = 101614320. Its totient is φ = 32742276.

The previous prime is 66613709. The next prime is 66613717. The reversal of 66613714 is 41731666.

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 66613714.

It is not an unprimeable number, because it can be changed into a prime (66613717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282144 + ... + 282379.

It is an arithmetic number, because the mean of its divisors is an integer number (12701790).

Almost surely, 2^66613714 is an apocalyptic number.

66613714 is a deficient number, since it is larger than the sum of its proper divisors (35000606).

66613714 is a wasteful number, since it uses less digits than its factorization.

66613714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564584.

The product of its digits is 18144, while the sum is 34.

The square root of 66613714 is about 8161.7224897689. The cubic root of 66613714 is about 405.3727483300.

The spelling of 66613714 in words is "sixty-six million, six hundred thirteen thousand, seven hundred fourteen".