67305006273 has 4 divisors (see below), whose sum is σ = 89740008368. Its totient is φ = 44870004180.

The previous prime is 67305006259. The next prime is 67305006281. The reversal of 67305006273 is 37260050376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 67305006273 - 2¹⁷ = 67304875201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67305806273) by changing a digit.

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, 11217501043 + ... + 11217501048.

It is an arithmetic number, because the mean of its divisors is an integer number (22435002092).

Almost surely, 2^67305006273 is an apocalyptic number.

It is an amenable number.

67305006273 is a deficient number, since it is larger than the sum of its proper divisors (22435002095).

67305006273 is a wasteful number, since it uses less digits than its factorization.

67305006273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22435002094.

The product of its (nonzero) digits is 158760, while the sum is 39.

The spelling of 67305006273 in words is "sixty-seven billion, three hundred five million, six thousand, two hundred seventy-three".