67508706005 has 16 divisors (see below), whose sum is σ = 89369877744. Its totient is φ = 48636664320.

The previous prime is 67508705993. The next prime is 67508706007. The reversal of 67508706005 is 50060780576.

It can be written as a sum of positive squares in 8 ways, for example, as 28130669284 + 39378036721 = 167722^2 + 198439^2 .

It is not a de Polignac number, because 67508706005 - 2⁶ = 67508705941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67508706007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12663134 + ... + 12668463.

It is an arithmetic number, because the mean of its divisors is an integer number (5585617359).

Almost surely, 2^67508706005 is an apocalyptic number.

67508706005 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

67508706005 is a deficient number, since it is larger than the sum of its proper divisors (21861171739).

67508706005 is a wasteful number, since it uses less digits than its factorization.

67508706005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25331656.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 67508706005 in words is "sixty-seven billion, five hundred eight million, seven hundred six thousand, five".