66932093 has 4 divisors (see below), whose sum is σ = 69842208. Its totient is φ = 64021980.

The previous prime is 66932071. The next prime is 66932101. The reversal of 66932093 is 39023966.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66932093 - 2¹⁰ = 66931069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66932023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1455023 + ... + 1455068.

It is an arithmetic number, because the mean of its divisors is an integer number (17460552).

Almost surely, 2^66932093 is an apocalyptic number.

It is an amenable number.

66932093 is a deficient number, since it is larger than the sum of its proper divisors (2910115).

66932093 is a wasteful number, since it uses less digits than its factorization.

66932093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910114.

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 66932093 is about 8181.2036400520. The cubic root of 66932093 is about 406.0175459750.

The spelling of 66932093 in words is "sixty-six million, nine hundred thirty-two thousand, ninety-three".