67250647464 has 256 divisors, whose sum is σ = 226487439360. Its totient is φ = 16070400000.

The previous prime is 67250647441. The next prime is 67250647507. The reversal of 67250647464 is 46474605276.

It is a super-3 number, since 3×67250647464³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 7466964 + ... + 7475964.

It is an arithmetic number, because the mean of its divisors is an integer number (884716560).

Almost surely, 2^67250647464 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 67250647464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113243719680).

67250647464 is an abundant number, since it is smaller than the sum of its proper divisors (159236791896).

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

67250647464 is a wasteful number, since it uses less digits than its factorization.

67250647464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9352 (or 9348 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 67250647464 in words is "sixty-seven billion, two hundred fifty million, six hundred forty-seven thousand, four hundred sixty-four".