67840368752 has 40 divisors (see below), whose sum is σ = 146117731200. Its totient is φ = 30300906240.

The previous prime is 67840368749. The next prime is 67840368787. The reversal of 67840368752 is 25786304876.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5254127 + ... + 5267022.

It is an arithmetic number, because the mean of its divisors is an integer number (3652943280).

Almost surely, 2^67840368752 is an apocalyptic number.

67840368752 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

67840368752 is an abundant number, since it is smaller than the sum of its proper divisors (78277362448).

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

67840368752 is a wasteful number, since it uses less digits than its factorization.

67840368752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521201 (or 10521195 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 67840368752 in words is "sixty-seven billion, eight hundred forty million, three hundred sixty-eight thousand, seven hundred fifty-two".