67975620105 has 32 divisors (see below), whose sum is σ = 108999273600. Its totient is φ = 36174339072.

The previous prime is 67975620103. The next prime is 67975620127. The reversal of 67975620105 is 50102657976.

It is not a de Polignac number, because 67975620105 - 2¹ = 67975620103 is a prime.

It is a super-2 number, since 2×67975620105² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67975620103) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 15664026 + ... + 15668364.

It is an arithmetic number, because the mean of its divisors is an integer number (3406227300).

Almost surely, 2^67975620105 is an apocalyptic number.

It is an amenable number.

67975620105 is a deficient number, since it is larger than the sum of its proper divisors (41023653495).

67975620105 is a wasteful number, since it uses less digits than its factorization.

67975620105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393.

The product of its (nonzero) digits is 793800, while the sum is 48.

The spelling of 67975620105 in words is "sixty-seven billion, nine hundred seventy-five million, six hundred twenty thousand, one hundred five".