67344712512 has 252 divisors, whose sum is σ = 227833915680. Its totient is φ = 17491837440.

The previous prime is 67344712499. The next prime is 67344712537. The reversal of 67344712512 is 21521744376.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1108789 + ... + 1167947.

It is an arithmetic number, because the mean of its divisors is an integer number (904102840).

Almost surely, 2^67344712512 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 67344712512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113916957840).

67344712512 is an abundant number, since it is smaller than the sum of its proper divisors (160489203168).

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

67344712512 is a wasteful number, since it uses less digits than its factorization.

67344712512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59210 (or 59182 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The spelling of 67344712512 in words is "sixty-seven billion, three hundred forty-four million, seven hundred twelve thousand, five hundred twelve".