67040066 has 8 divisors (see below), whose sum is σ = 102061200. Its totient is φ = 33019668.

The previous prime is 67040059. The next prime is 67040069. The reversal of 67040066 is 66004076.

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

It is not an unprimeable number, because it can be changed into a prime (67040069) 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, 250016 + ... + 250283.

It is an arithmetic number, because the mean of its divisors is an integer number (12757650).

Almost surely, 2^67040066 is an apocalyptic number.

67040066 is a deficient number, since it is larger than the sum of its proper divisors (35021134).

67040066 is a wasteful number, since it uses less digits than its factorization.

67040066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500368.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 67040066 is about 8187.7998265712. The cubic root of 67040066 is about 406.2357541040.

The spelling of 67040066 in words is "sixty-seven million, forty thousand, sixty-six".