66514713 has 8 divisors (see below), whose sum is σ = 88929408. Its totient is φ = 44221584.

The previous prime is 66514703. The next prime is 66514739. The reversal of 66514713 is 31741566.

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

It is not a de Polignac number, because 66514713 - 2¹² = 66510617 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66514703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29106 + ... + 31307.

It is an arithmetic number, because the mean of its divisors is an integer number (11116176).

Almost surely, 2^66514713 is an apocalyptic number.

It is an amenable number.

66514713 is a deficient number, since it is larger than the sum of its proper divisors (22414695).

66514713 is a wasteful number, since it uses less digits than its factorization.

66514713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60783.

The product of its digits is 15120, while the sum is 33.

The square root of 66514713 is about 8155.6552771681. The cubic root of 66514713 is about 405.1718277139.

The spelling of 66514713 in words is "sixty-six million, five hundred fourteen thousand, seven hundred thirteen".