67415038768 has 80 divisors (see below), whose sum is σ = 162951070464. Its totient is φ = 26248769280.

The previous prime is 67415038729. The next prime is 67415038777. The reversal of 67415038768 is 86783051476.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2000071 + ... + 2033497.

Almost surely, 2^67415038768 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 67415038768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81475535232).

67415038768 is an abundant number, since it is smaller than the sum of its proper divisors (95536031696).

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

67415038768 is a wasteful number, since it uses less digits than its factorization.

67415038768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35090 (or 35084 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 67415038768 in words is "sixty-seven billion, four hundred fifteen million, thirty-eight thousand, seven hundred sixty-eight".