67421704466 has 8 divisors (see below), whose sum is σ = 101134881084. Its totient is φ = 33710077440.

The previous prime is 67421704451. The next prime is 67421704481. The reversal of 67421704466 is 66440712476.

It is an interprime number because it is at equal distance from previous prime (67421704451) and next prime (67421704481).

It can be written as a sum of positive squares in 2 ways, for example, as 58723344241 + 8698360225 = 242329^2 + 93265^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 67421704466.

It is an unprimeable number.

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, 271715 + ... + 456806.

Almost surely, 2^67421704466 is an apocalyptic number.

67421704466 is a deficient number, since it is larger than the sum of its proper divisors (33713176618).

67421704466 is a wasteful number, since it uses less digits than its factorization.

67421704466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774796.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 67421704466 in words is "sixty-seven billion, four hundred twenty-one million, seven hundred four thousand, four hundred sixty-six".