343644272672 has 24 divisors (see below), whose sum is σ = 678393144576. Its totient is φ = 171353950272.

The previous prime is 343644272663. The next prime is 343644272731. The reversal of 343644272672 is 276272446343.

It is a super-2 number, since 2×343644272672² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 343644272672.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14618888 + ... + 14642375.

It is an arithmetic number, because the mean of its divisors is an integer number (28266381024).

Almost surely, 2^343644272672 is an apocalyptic number.

343644272672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

343644272672 is a deficient number, since it is larger than the sum of its proper divisors (334748871904).

343644272672 is a wasteful number, since it uses less digits than its factorization.

343644272672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29261640 (or 29261632 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 50.

The spelling of 343644272672 in words is "three hundred forty-three billion, six hundred forty-four million, two hundred seventy-two thousand, six hundred seventy-two".