67670854722840 has 128 divisors (see below), whose sum is σ = 203882313600000. Its totient is φ = 17968265269248.

The previous prime is 67670854722811. The next prime is 67670854722847. The reversal of 67670854722840 is 4822745807676.

67670854722840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67670854722847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300998952 + ... + 301223688.

It is an arithmetic number, because the mean of its divisors is an integer number (1592830575000).

Almost surely, 2^{67670854722840} is an apocalyptic number.

67670854722840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67670854722840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101941156800000).

67670854722840 is an abundant number, since it is smaller than the sum of its proper divisors (136211458877160).

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

67670854722840 is a wasteful number, since it uses less digits than its factorization.

67670854722840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235489 (or 235485 counting only the distinct ones).

The product of its (nonzero) digits is 252887040, while the sum is 66.

The spelling of 67670854722840 in words is "sixty-seven trillion, six hundred seventy billion, eight hundred fifty-four million, seven hundred twenty-two thousand, eight hundred forty".