67129803771472 has 80 divisors (see below), whose sum is σ = 140712113848320. Its totient is φ = 30840817867776.

The previous prime is 67129803771451. The next prime is 67129803771497. The reversal of 67129803771472 is 27417730892176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122664753 + ... + 123210799.

It is an arithmetic number, because the mean of its divisors is an integer number (1758901423104).

Almost surely, 2^{67129803771472} 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 67129803771472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70356056924160).

67129803771472 is an abundant number, since it is smaller than the sum of its proper divisors (73582310076848).

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

67129803771472 is a wasteful number, since it uses less digits than its factorization.

67129803771472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548780 (or 548774 counting only the distinct ones).

The product of its (nonzero) digits is 49787136, while the sum is 64.

The spelling of 67129803771472 in words is "sixty-seven trillion, one hundred twenty-nine billion, eight hundred three million, seven hundred seventy-one thousand, four hundred seventy-two".