67465382688 has 144 divisors (see below), whose sum is σ = 211818481056. Its totient is φ = 20197662720.

The previous prime is 67465382659. The next prime is 67465382689. The reversal of 67465382688 is 88628356476.

67465382688 is a `hidden beast` number, since 6 + 74 + 6 + 538 + 26 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×67465382688² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67465382689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134656 + ... + 391232.

It is an arithmetic number, because the mean of its divisors is an integer number (1470961674).

Almost surely, 2^67465382688 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 67465382688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105909240528).

67465382688 is an abundant number, since it is smaller than the sum of its proper divisors (144353098368).

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

67465382688 is a wasteful number, since it uses less digits than its factorization.

67465382688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256687 (or 256676 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 67465382688 in words is "sixty-seven billion, four hundred sixty-five million, three hundred eighty-two thousand, six hundred eighty-eight".