67245473776434 has 16 divisors (see below), whose sum is σ = 134491449048672. Its totient is φ = 22415074342848.

The previous prime is 67245473776421. The next prime is 67245473776441. The reversal of 67245473776434 is 43467737454276.

It is a happy number.

67245473776434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19141159 + ... + 22380234.

It is an arithmetic number, because the mean of its divisors is an integer number (8405715565542).

Almost surely, 2^{67245473776434} is an apocalyptic number.

67245473776434 is an abundant number, since it is smaller than the sum of its proper divisors (67245975272238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67245473776434 is a wasteful number, since it uses less digits than its factorization.

67245473776434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41791321.

The product of its digits is 1991485440, while the sum is 69.

The spelling of 67245473776434 in words is "sixty-seven trillion, two hundred forty-five billion, four hundred seventy-three million, seven hundred seventy-six thousand, four hundred thirty-four".