67505114012 has 72 divisors (see below), whose sum is σ = 138861039744. Its totient is φ = 28628247648.

The previous prime is 67505113981. The next prime is 67505114021. The reversal of 67505114012 is 21041150576.

It is a super-2 number, since 2×67505114012² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67505114012.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 33701003 + ... + 33703005.

It is an arithmetic number, because the mean of its divisors is an integer number (1928625552).

Almost surely, 2^67505114012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67505114012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69430519872).

67505114012 is an abundant number, since it is smaller than the sum of its proper divisors (71355925732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67505114012 is a wasteful number, since it uses less digits than its factorization.

67505114012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

Adding to 67505114012 its reverse (21041150576), we get a palindrome (88546264588).

The spelling of 67505114012 in words is "sixty-seven billion, five hundred five million, one hundred fourteen thousand, twelve".