67950421718 has 8 divisors (see below), whose sum is σ = 101926810080. Its totient is φ = 33974818360.

The previous prime is 67950421633. The next prime is 67950421723. The reversal of 67950421718 is 81712405976.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125948 + ... + 389568.

It is an arithmetic number, because the mean of its divisors is an integer number (12740851260).

Almost surely, 2^67950421718 is an apocalyptic number.

67950421718 is a deficient number, since it is larger than the sum of its proper divisors (33976388362).

67950421718 is a wasteful number, since it uses less digits than its factorization.

67950421718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392502.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 67950421718 in words is "sixty-seven billion, nine hundred fifty million, four hundred twenty-one thousand, seven hundred eighteen".