67420930305 has 16 divisors (see below), whose sum is σ = 108863156160. Its totient is φ = 35627940288.

The previous prime is 67420930279. The next prime is 67420930307. The reversal of 67420930305 is 50303902476.

It is not a de Polignac number, because 67420930305 - 2¹⁰ = 67420929281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67420930307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20616387 + ... + 20619656.

It is an arithmetic number, because the mean of its divisors is an integer number (6803947260).

Almost surely, 2^67420930305 is an apocalyptic number.

It is an amenable number.

67420930305 is a deficient number, since it is larger than the sum of its proper divisors (41442225855).

67420930305 is a wasteful number, since it uses less digits than its factorization.

67420930305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41236160.

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 67420930305 in words is "sixty-seven billion, four hundred twenty million, nine hundred thirty thousand, three hundred five".