66743093 has 8 divisors (see below), whose sum is σ = 68993280. Its totient is φ = 64499040.

The previous prime is 66743063. The next prime is 66743107. The reversal of 66743093 is 39034766.

It is a happy number.

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 66743093 - 2¹⁶ = 66677557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66743063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34046 + ... + 35952.

It is an arithmetic number, because the mean of its divisors is an integer number (8624160).

Almost surely, 2^66743093 is an apocalyptic number.

It is an amenable number.

66743093 is a deficient number, since it is larger than the sum of its proper divisors (2250187).

66743093 is a wasteful number, since it uses less digits than its factorization.

66743093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 66743093 is about 8169.6446067133. The cubic root of 66743093 is about 405.6350206649.

The spelling of 66743093 in words is "sixty-six million, seven hundred forty-three thousand, ninety-three".