67247066 has 8 divisors (see below), whose sum is σ = 101088000. Its totient is φ = 33551068.

The previous prime is 67247057. The next prime is 67247069. The reversal of 67247066 is 66074276.

It is a happy number.

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 (67247069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35066 + ... + 36933.

It is an arithmetic number, because the mean of its divisors is an integer number (12636000).

Almost surely, 2^67247066 is an apocalyptic number.

67247066 is a deficient number, since it is larger than the sum of its proper divisors (33840934).

67247066 is a wasteful number, since it uses less digits than its factorization.

67247066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72468.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 67247066 is about 8200.4308423399. The cubic root of 67247066 is about 406.6534366683.

The spelling of 67247066 in words is "sixty-seven million, two hundred forty-seven thousand, sixty-six".