671734020247100 has 72 divisors (see below), whose sum is σ = 1459225887263760. Its totient is φ = 268405584007680.

The previous prime is 671734020247097. The next prime is 671734020247211. The reversal of 671734020247100 is 1742020437176.

It is a super-3 number, since 3×671734020247100³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 549372014 + ... + 550593386.

Almost surely, 2^{671734020247100} is an apocalyptic number.

It is an amenable number.

671734020247100 is an abundant number, since it is smaller than the sum of its proper divisors (787491867016660).

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

671734020247100 is a wasteful number, since it uses less digits than its factorization.

671734020247100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227279 (or 1227272 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 671734020247100 in words is "six hundred seventy-one trillion, seven hundred thirty-four billion, twenty million, two hundred forty-seven thousand, one hundred".