67340403738 has 24 divisors (see below), whose sum is σ = 145925410176. Its totient is φ = 22443539400.

The previous prime is 67340403727. The next prime is 67340403773. The reversal of 67340403738 is 83730404376.

67340403738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 67340403693 and 67340403702.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142858 + ... + 393813.

It is an arithmetic number, because the mean of its divisors is an integer number (6080225424).

Almost surely, 2^67340403738 is an apocalyptic number.

67340403738 is an abundant number, since it is smaller than the sum of its proper divisors (78585006438).

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

67340403738 is a wasteful number, since it uses less digits than its factorization.

67340403738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543650 (or 543647 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The spelling of 67340403738 in words is "sixty-seven billion, three hundred forty million, four hundred three thousand, seven hundred thirty-eight".