272064345 has 32 divisors (see below), whose sum is σ = 526756608. Its totient is φ = 117055488.

The previous prime is 272064343. The next prime is 272064361. The reversal of 272064345 is 543460272.

It is not a de Polignac number, because 272064345 - 2¹ = 272064343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (272064343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74424 + ... + 77993.

It is an arithmetic number, because the mean of its divisors is an integer number (16461144).

Almost surely, 2^272064345 is an apocalyptic number.

It is an amenable number.

272064345 is a deficient number, since it is larger than the sum of its proper divisors (254692263).

272064345 is a wasteful number, since it uses less digits than its factorization.

272064345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152449.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 272064345 is about 16494.3731314652. The cubic root of 272064345 is about 647.9734476050.

The spelling of 272064345 in words is "two hundred seventy-two million, sixty-four thousand, three hundred forty-five".