272644047 has 48 divisors (see below), whose sum is σ = 449100288. Its totient is φ = 158114880.

The previous prime is 272644019. The next prime is 272644063. The reversal of 272644047 is 740446272.

It is a happy number.

272644047 is a `hidden beast` number, since 2 + 7 + 2 + 644 + 0 + 4 + 7 = 666.

It is not a de Polignac number, because 272644047 - 2⁷ = 272643919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272644067) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 190348 + ... + 191774.

It is an arithmetic number, because the mean of its divisors is an integer number (9356256).

Almost surely, 2^272644047 is an apocalyptic number.

272644047 is a deficient number, since it is larger than the sum of its proper divisors (176456241).

272644047 is a wasteful number, since it uses less digits than its factorization.

272644047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 272644047 is about 16511.9365006046. The cubic root of 272644047 is about 648.4333449701.

The spelling of 272644047 in words is "two hundred seventy-two million, six hundred forty-four thousand, forty-seven".