2723472156172 has 24 divisors (see below), whose sum is σ = 4771913920256. Its totient is φ = 1360069202448.

The previous prime is 2723472156161. The next prime is 2723472156199. The reversal of 2723472156172 is 2716512743272.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10656193 + ... + 10908775.

Almost surely, 2^{2723472156172} is an apocalyptic number.

It is an amenable number.

2723472156172 is a deficient number, since it is larger than the sum of its proper divisors (2048441764084).

2723472156172 is a wasteful number, since it uses less digits than its factorization.

2723472156172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255877 (or 255875 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 49.

The spelling of 2723472156172 in words is "two trillion, seven hundred twenty-three billion, four hundred seventy-two million, one hundred fifty-six thousand, one hundred seventy-two".