67047472017 has 12 divisors (see below), whose sum is σ = 101057059584. Its totient is φ = 42754909560.

The previous prime is 67047472007. The next prime is 67047472039. The reversal of 67047472017 is 71027474076.

It is not a de Polignac number, because 67047472017 - 2⁴ = 67047472001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67047472007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161950209 + ... + 161950622.

It is an arithmetic number, because the mean of its divisors is an integer number (8421421632).

Almost surely, 2^67047472017 is an apocalyptic number.

It is an amenable number.

67047472017 is a deficient number, since it is larger than the sum of its proper divisors (34009587567).

67047472017 is a wasteful number, since it uses less digits than its factorization.

67047472017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323900860 (or 323900857 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 45.

The spelling of 67047472017 in words is "sixty-seven billion, forty-seven million, four hundred seventy-two thousand, seventeen".