272646345 has 16 divisors (see below), whose sum is σ = 436458240. Its totient is φ = 145336704.

The previous prime is 272646343. The next prime is 272646349. The reversal of 272646345 is 543646272.

It is not a de Polignac number, because 272646345 - 2¹ = 272646343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272646343) by changing a digit.

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, 38221 + ... + 44789.

It is an arithmetic number, because the mean of its divisors is an integer number (27278640).

Almost surely, 2^272646345 is an apocalyptic number.

It is an amenable number.

272646345 is a deficient number, since it is larger than the sum of its proper divisors (163811895).

272646345 is a wasteful number, since it uses less digits than its factorization.

272646345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9344.

The product of its digits is 241920, while the sum is 39.

The square root of 272646345 is about 16512.0060864814. The cubic root of 272646345 is about 648.4351667541.

The spelling of 272646345 in words is "two hundred seventy-two million, six hundred forty-six thousand, three hundred forty-five".