2731517734672 has 20 divisors (see below), whose sum is σ = 5463035470336. Its totient is φ = 1321702129440.

The previous prime is 2731517734661. The next prime is 2731517734709. The reversal of 2731517734672 is 2764377151372.

It is a happy number.

2731517734672 is an admirable number.

It is a super-2 number, since 2×2731517734672² (a number of 26 digits) contains 22 as substring.

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, 2753545608 + ... + 2753546599.

Almost surely, 2^{2731517734672} is an apocalyptic number.

It is an amenable number.

2731517734672 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.

2731517734672 is a wasteful number, since it uses less digits than its factorization.

2731517734672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507092246 (or 5507092240 counting only the distinct ones).

The product of its digits is 10372320, while the sum is 55.

The spelling of 2731517734672 in words is "two trillion, seven hundred thirty-one billion, five hundred seventeen million, seven hundred thirty-four thousand, six hundred seventy-two".