67113520756 has 6 divisors (see below), whose sum is σ = 117448661330. Its totient is φ = 33556760376.

The previous prime is 67113520739. The next prime is 67113520757. The reversal of 67113520756 is 65702531176.

It can be written as a sum of positive squares in only one way, i.e., 56154780900 + 10958739856 = 236970^2 + 104684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67113520757) 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 as a sum of consecutive naturals, namely, 8389190091 + ... + 8389190098.

Almost surely, 2^67113520756 is an apocalyptic number.

It is an amenable number.

67113520756 is a deficient number, since it is larger than the sum of its proper divisors (50335140574).

67113520756 is a wasteful number, since it uses less digits than its factorization.

67113520756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16778380193 (or 16778380191 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 67113520756 in words is "sixty-seven billion, one hundred thirteen million, five hundred twenty thousand, seven hundred fifty-six".