272643330 has 32 divisors (see below), whose sum is σ = 654897600. Its totient is φ = 72643392.

The previous prime is 272643281. The next prime is 272643347. The reversal of 272643330 is 33346272.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40656 + ... + 46884.

It is an arithmetic number, because the mean of its divisors is an integer number (20465550).

Almost surely, 2^272643330 is an apocalyptic number.

272643330 is an abundant number, since it is smaller than the sum of its proper divisors (382254270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272643330 is a wasteful number, since it uses less digits than its factorization.

272643330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7698.

The product of its (nonzero) digits is 18144, while the sum is 30.

The square root of 272643330 is about 16511.9147890243. The cubic root of 272643330 is about 648.4327765524.

It can be divided in two parts, 2726 and 43330, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 272643330 in words is "two hundred seventy-two million, six hundred forty-three thousand, three hundred thirty".