67273120555 has 16 divisors (see below), whose sum is σ = 84565456704. Its totient is φ = 51278233600.

The previous prime is 67273120529. The next prime is 67273120559. The reversal of 67273120555 is 55502137276.

It is not a de Polignac number, because 67273120555 - 2²⁵ = 67239566123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67273120559) 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, 1108546 + ... + 1167655.

It is an arithmetic number, because the mean of its divisors is an integer number (5285341044).

Almost surely, 2^67273120555 is an apocalyptic number.

67273120555 is a deficient number, since it is larger than the sum of its proper divisors (17292336149).

67273120555 is a wasteful number, since it uses less digits than its factorization.

67273120555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276486.

The product of its (nonzero) digits is 441000, while the sum is 43.

The spelling of 67273120555 in words is "sixty-seven billion, two hundred seventy-three million, one hundred twenty thousand, five hundred fifty-five".