272644005 has 8 divisors (see below), whose sum is σ = 436230432. Its totient is φ = 145410128.

The previous prime is 272644003. The next prime is 272644019. The reversal of 272644005 is 500446272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 272644005 - 2¹ = 272644003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272644003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9088119 + ... + 9088148.

It is an arithmetic number, because the mean of its divisors is an integer number (54528804).

Almost surely, 2^272644005 is an apocalyptic number.

It is an amenable number.

272644005 is a deficient number, since it is larger than the sum of its proper divisors (163586427).

272644005 is a wasteful number, since it uses less digits than its factorization.

272644005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18176275.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 272644005 is about 16511.9352287974. The cubic root of 272644005 is about 648.4333116737.

The spelling of 272644005 in words is "two hundred seventy-two million, six hundred forty-four thousand, five".