66094705 has 8 divisors (see below), whose sum is σ = 79411752. Its totient is φ = 52810368.

The previous prime is 66094687. The next prime is 66094723. The reversal of 66094705 is 50749066.

66094705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66094687) and next prime (66094723).

It can be written as a sum of positive squares in 4 ways, for example, as 7969329 + 58125376 = 2823^2 + 7624^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 66094705 - 2⁷ = 66094577 is a prime.

It is a Duffinian number.

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, 3484 + ... + 12013.

It is an arithmetic number, because the mean of its divisors is an integer number (9926469).

Almost surely, 2^66094705 is an apocalyptic number.

It is an amenable number.

66094705 is a deficient number, since it is larger than the sum of its proper divisors (13317047).

66094705 is a wasteful number, since it uses less digits than its factorization.

66094705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16355.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 66094705 is about 8129.8650050293. The cubic root of 66094705 is about 404.3172054568.

The spelling of 66094705 in words is "sixty-six million, ninety-four thousand, seven hundred five".