67240552172 has 12 divisors (see below), whose sum is σ = 117674086320. Its totient is φ = 33619384656.

The previous prime is 67240552133. The next prime is 67240552231. The reversal of 67240552172 is 27125504276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35672 + ... + 368447.

It is an arithmetic number, because the mean of its divisors is an integer number (9806173860).

Almost surely, 2^67240552172 is an apocalyptic number.

It is an amenable number.

67240552172 is a deficient number, since it is larger than the sum of its proper divisors (50433534148).

67240552172 is a wasteful number, since it uses less digits than its factorization.

67240552172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445720 (or 445718 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 67240552172 in words is "sixty-seven billion, two hundred forty million, five hundred fifty-two thousand, one hundred seventy-two".