67340740734816 has 48 divisors (see below), whose sum is σ = 176860987869888. Its totient is φ = 22435289014400.

The previous prime is 67340740734781. The next prime is 67340740734847. The reversal of 67340740734816 is 61843704704376.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 67340740734816.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181447470 + ... + 181818221.

It is an arithmetic number, because the mean of its divisors is an integer number (3684603913956).

Almost surely, 2^{67340740734816} is an apocalyptic number.

It is an amenable number.

67340740734816 is an abundant number, since it is smaller than the sum of its proper divisors (109520247135072).

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

67340740734816 is a wasteful number, since it uses less digits than its factorization.

67340740734816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363267635 (or 363267627 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 60.

The spelling of 67340740734816 in words is "sixty-seven trillion, three hundred forty billion, seven hundred forty million, seven hundred thirty-four thousand, eight hundred sixteen".