67356271172 has 12 divisors (see below), whose sum is σ = 117911071740. Its totient is φ = 33667393536.

The previous prime is 67356271163. The next prime is 67356271193. The reversal of 67356271172 is 27117265376.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50007693376 + 17348577796 = 223624^2 + 131714^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2671397 + ... + 2696492.

It is an arithmetic number, because the mean of its divisors is an integer number (9825922645).

Almost surely, 2^67356271172 is an apocalyptic number.

It is an amenable number.

67356271172 is a deficient number, since it is larger than the sum of its proper divisors (50554800568).

67356271172 is a wasteful number, since it uses less digits than its factorization.

67356271172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371030 (or 5371028 counting only the distinct ones).

The product of its digits is 740880, while the sum is 47.

The spelling of 67356271172 in words is "sixty-seven billion, three hundred fifty-six million, two hundred seventy-one thousand, one hundred seventy-two".