67480687172 has 24 divisors (see below), whose sum is σ = 121335070080. Its totient is φ = 32814309600.

The previous prime is 67480687103. The next prime is 67480687177. The reversal of 67480687172 is 27178608476.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (67480687177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250979 + ... + 444917.

It is an arithmetic number, because the mean of its divisors is an integer number (5055627920).

Almost surely, 2^67480687172 is an apocalyptic number.

It is an amenable number.

67480687172 is a deficient number, since it is larger than the sum of its proper divisors (53854382908).

67480687172 is a wasteful number, since it uses less digits than its factorization.

67480687172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196331 (or 196329 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 56.

The spelling of 67480687172 in words is "sixty-seven billion, four hundred eighty million, six hundred eighty-seven thousand, one hundred seventy-two".