272161306 has 8 divisors (see below), whose sum is σ = 408497760. Its totient is φ = 135995388.

The previous prime is 272161283. The next prime is 272161363. The reversal of 272161306 is 603161272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38566 + ... + 45073.

It is an arithmetic number, because the mean of its divisors is an integer number (51062220).

Almost surely, 2^272161306 is an apocalyptic number.

272161306 is a deficient number, since it is larger than the sum of its proper divisors (136336454).

272161306 is a wasteful number, since it uses less digits than its factorization.

272161306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85268.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 272161306 is about 16497.3120840942. The cubic root of 272161306 is about 648.0504155384.

The spelling of 272161306 in words is "two hundred seventy-two million, one hundred sixty-one thousand, three hundred six".