67173764345 has 16 divisors (see below), whose sum is σ = 80747808768. Its totient is φ = 53646223680.

The previous prime is 67173764323. The next prime is 67173764353. The reversal of 67173764345 is 54346737176.

It is not a de Polignac number, because 67173764345 - 2⁸ = 67173764089 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 12997952 + ... + 13003118.

It is an arithmetic number, because the mean of its divisors is an integer number (5046738048).

Almost surely, 2^67173764345 is an apocalyptic number.

It is an amenable number.

67173764345 is a deficient number, since it is larger than the sum of its proper divisors (13574044423).

67173764345 is a wasteful number, since it uses less digits than its factorization.

67173764345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9160.

The product of its digits is 8890560, while the sum is 53.

The spelling of 67173764345 in words is "sixty-seven billion, one hundred seventy-three million, seven hundred sixty-four thousand, three hundred forty-five".