272640344 has 32 divisors (see below), whose sum is σ = 537546240. Its totient is φ = 129386400.

The previous prime is 272640343. The next prime is 272640371. The reversal of 272640344 is 443046272.

It is a self number, because there is not a number n which added to its sum of digits gives 272640344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272640341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18449 + ... + 29759.

It is an arithmetic number, because the mean of its divisors is an integer number (16798320).

Almost surely, 2^272640344 is an apocalyptic number.

It is an amenable number.

272640344 is a deficient number, since it is larger than the sum of its proper divisors (264905896).

272640344 is a wasteful number, since it uses less digits than its factorization.

272640344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11471 (or 11467 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 272640344 is about 16511.8243692210. The cubic root of 272640344 is about 648.4304093237.

The spelling of 272640344 in words is "two hundred seventy-two million, six hundred forty thousand, three hundred forty-four".