67340355007728 has 120 divisors (see below), whose sum is σ = 191220163338064. Its totient is φ = 20405624785920.

The previous prime is 67340355007693. The next prime is 67340355007729. The reversal of 67340355007728 is 82770055304376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67340355007729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253984926 + ... + 254249922.

Almost surely, 2^{67340355007728} is an apocalyptic number.

It is an amenable number.

67340355007728 is an abundant number, since it is smaller than the sum of its proper divisors (123879808330336).

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

67340355007728 is a wasteful number, since it uses less digits than its factorization.

67340355007728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308783 (or 308766 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 57.

The spelling of 67340355007728 in words is "sixty-seven trillion, three hundred forty billion, three hundred fifty-five million, seven thousand, seven hundred twenty-eight".