67999702848 has 224 divisors, whose sum is σ = 224607851520. Its totient is φ = 17638871040.

The previous prime is 67999702843. The next prime is 67999702861. The reversal of 67999702848 is 84820799976.

67999702848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×67999702848² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67999702843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13051668 + ... + 13056876.

Almost surely, 2^67999702848 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 67999702848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112303925760).

67999702848 is an abundant number, since it is smaller than the sum of its proper divisors (156608148672).

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

67999702848 is a wasteful number, since it uses less digits than its factorization.

67999702848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125 (or 6115 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 69.

The spelling of 67999702848 in words is "sixty-seven billion, nine hundred ninety-nine million, seven hundred two thousand, eight hundred forty-eight".