6767345064 has 64 divisors (see below), whose sum is σ = 17830612800. Its totient is φ = 2134439424.

The previous prime is 6767345059. The next prime is 6767345069. The reversal of 6767345064 is 4605437676.

It is an interprime number because it is at equal distance from previous prime (6767345059) and next prime (6767345069).

It is not an unprimeable number, because it can be changed into a prime (6767345069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382134 + ... + 399450.

It is an arithmetic number, because the mean of its divisors is an integer number (278603325).

Almost surely, 2^6767345064 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 6767345064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8915306400).

6767345064 is an abundant number, since it is smaller than the sum of its proper divisors (11063267736).

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

6767345064 is a wasteful number, since it uses less digits than its factorization.

6767345064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18202 (or 18198 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The square root of 6767345064 is about 82263.8745987569. The cubic root of 6767345064 is about 1891.4989614691.

The spelling of 6767345064 in words is "six billion, seven hundred sixty-seven million, three hundred forty-five thousand, sixty-four".