67106705028 has 36 divisors (see below), whose sum is σ = 172111139760. Its totient is φ = 20335364720.

The previous prime is 67106705027. The next prime is 67106705033. The reversal of 67106705028 is 82050760176.

It is not an unprimeable number, because it can be changed into a prime (67106705027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23106918 + ... + 23109821.

Almost surely, 2^67106705028 is an apocalyptic number.

It is an amenable number.

67106705028 is an abundant number, since it is smaller than the sum of its proper divisors (105004434732).

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

67106705028 is a wasteful number, since it uses less digits than its factorization.

67106705028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46216768 (or 46216755 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 67106705028 in words is "sixty-seven billion, one hundred six million, seven hundred five thousand, twenty-eight".