67240536712 has 16 divisors (see below), whose sum is σ = 126146036700. Its totient is φ = 33601593600.

The previous prime is 67240536707. The next prime is 67240536721. The reversal of 67240536712 is 21763504276.

It can be written as a sum of positive squares in 2 ways, for example, as 52865965476 + 14374571236 = 229926^2 + 119894^2 .

It is an unprimeable number.

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, 2319037 + ... + 2347852.

Almost surely, 2^67240536712 is an apocalyptic number.

It is an amenable number.

67240536712 is a deficient number, since it is larger than the sum of its proper divisors (58905499988).

67240536712 is a wasteful number, since it uses less digits than its factorization.

67240536712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668696 (or 4668692 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 67240536712 in words is "sixty-seven billion, two hundred forty million, five hundred thirty-six thousand, seven hundred twelve".