66914345 has 8 divisors (see below), whose sum is σ = 80511360. Its totient is φ = 53388720.

The previous prime is 66914299. The next prime is 66914357. The reversal of 66914345 is 54341966.

66914345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 66914345 - 2¹⁰ = 66913321 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66914299 and 66914308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15761 + ... + 19550.

It is an arithmetic number, because the mean of its divisors is an integer number (10063920).

Almost surely, 2^66914345 is an apocalyptic number.

It is an amenable number.

66914345 is a deficient number, since it is larger than the sum of its proper divisors (13597015).

66914345 is a wasteful number, since it uses less digits than its factorization.

66914345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35695.

The product of its digits is 77760, while the sum is 38.

The square root of 66914345 is about 8180.1188866666. The cubic root of 66914345 is about 405.9816556863.

The spelling of 66914345 in words is "sixty-six million, nine hundred fourteen thousand, three hundred forty-five".