66832067 has 4 divisors (see below), whose sum is σ = 67073616. Its totient is φ = 66590520.

The previous prime is 66832033. The next prime is 66832069. The reversal of 66832067 is 76023866.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66832067 - 2¹⁰ = 66831043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66832067.

It is not an unprimeable number, because it can be changed into a prime (66832069) 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 3 ways as a sum of consecutive naturals, for example, 120359 + ... + 120912.

It is an arithmetic number, because the mean of its divisors is an integer number (16768404).

Almost surely, 2^66832067 is an apocalyptic number.

66832067 is a deficient number, since it is larger than the sum of its proper divisors (241549).

66832067 is a wasteful number, since it uses less digits than its factorization.

66832067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241548.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 66832067 is about 8175.0881952429. The cubic root of 66832067 is about 405.8151888449.

The spelling of 66832067 in words is "sixty-six million, eight hundred thirty-two thousand, sixty-seven".