72671441605134 has 8 divisors (see below), whose sum is σ = 145342883210280. Its totient is φ = 24223813868376.

The previous prime is 72671441605111. The next prime is 72671441605151. The reversal of 72671441605134 is 43150614417627.

It is a sphenic number, since it is the product of 3 distinct primes.

72671441605134 is an admirable number.

It is a super-2 number, since 2×72671441605134² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055953467089 + ... + 6055953467100.

It is an arithmetic number, because the mean of its divisors is an integer number (18167860401285).

Almost surely, 2^{72671441605134} is an apocalyptic number.

72671441605134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72671441605134 is a wasteful number, since it uses less digits than its factorization.

72671441605134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12111906934194.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 72671441605134 in words is "seventy-two trillion, six hundred seventy-one billion, four hundred forty-one million, six hundred five thousand, one hundred thirty-four".