66673067 has 8 divisors (see below), whose sum is σ = 69755040. Its totient is φ = 63606400.

The previous prime is 66673049. The next prime is 66673073. The reversal of 66673067 is 76037666.

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 66673067 - 2¹⁴ = 66656683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66673027) 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, 5609 + ... + 12837.

It is an arithmetic number, because the mean of its divisors is an integer number (8719380).

Almost surely, 2^66673067 is an apocalyptic number.

66673067 is a deficient number, since it is larger than the sum of its proper divisors (3081973).

66673067 is a wasteful number, since it uses less digits than its factorization.

66673067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7653.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 66673067 is about 8165.3577386420. The cubic root of 66673067 is about 405.4931086631.

The spelling of 66673067 in words is "sixty-six million, six hundred seventy-three thousand, sixty-seven".