67271506474734 has 80 divisors (see below), whose sum is σ = 151260982111008. Its totient is φ = 22346045926848.

The previous prime is 67271506474709. The next prime is 67271506474787. The reversal of 67271506474734 is 43747460517276.

67271506474734 is a `hidden beast` number, since 6 + 7 + 2 + 7 + 150 + 6 + 4 + 7 + 473 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1268122599 + ... + 1268175645.

Almost surely, 2^{67271506474734} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67271506474734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75630491055504).

67271506474734 is an abundant number, since it is smaller than the sum of its proper divisors (83989475636274).

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

67271506474734 is a wasteful number, since it uses less digits than its factorization.

67271506474734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80071 (or 80062 counting only the distinct ones).

The product of its (nonzero) digits is 165957120, while the sum is 63.

The spelling of 67271506474734 in words is "sixty-seven trillion, two hundred seventy-one billion, five hundred six million, four hundred seventy-four thousand, seven hundred thirty-four".