2731530574172 has 12 divisors (see below), whose sum is σ = 4780436701656. Its totient is φ = 1365691516560.

The previous prime is 2731530574153. The next prime is 2731530574181. The reversal of 2731530574172 is 2714750351372.

It is a super-2 number, since 2×2731530574172² (a number of 26 digits) contains 22 as substring.

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, 18359279 + ... + 18507462.

It is an arithmetic number, because the mean of its divisors is an integer number (398369725138).

Almost surely, 2^{2731530574172} is an apocalyptic number.

It is an amenable number.

2731530574172 is a deficient number, since it is larger than the sum of its proper divisors (2048906127484).

2731530574172 is a wasteful number, since it uses less digits than its factorization.

2731530574172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36885268 (or 36885266 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 47.

The spelling of 2731530574172 in words is "two trillion, seven hundred thirty-one billion, five hundred thirty million, five hundred seventy-four thousand, one hundred seventy-two".