272161307 has 36 divisors (see below), whose sum is σ = 323362368. Its totient is φ = 228571200.

The previous prime is 272161283. The next prime is 272161363. The reversal of 272161307 is 703161272.

It is not a de Polignac number, because 272161307 - 2⁶ = 272161243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272161307.

It is not an unprimeable number, because it can be changed into a prime (272121307) 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 35 ways as a sum of consecutive naturals, for example, 5135093 + ... + 5135145.

It is an arithmetic number, because the mean of its divisors is an integer number (8982288).

Almost surely, 2^272161307 is an apocalyptic number.

272161307 is a deficient number, since it is larger than the sum of its proper divisors (51201061).

272161307 is a wasteful number, since it uses less digits than its factorization.

272161307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 272161307 is about 16497.3121144022. The cubic root of 272161307 is about 648.0504163321.

The spelling of 272161307 in words is "two hundred seventy-two million, one hundred sixty-one thousand, three hundred seven".