272397897 has 24 divisors (see below), whose sum is σ = 410242560. Its totient is φ = 180617040.

The previous prime is 272397893. The next prime is 272397911. The reversal of 272397897 is 798793272.

It is not a de Polignac number, because 272397897 - 2² = 272397893 is a prime.

It is a super-2 number, since 2×272397897² = 148401228580045218, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (272397893) 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 23 ways as a sum of consecutive naturals, for example, 43479 + ... + 49347.

It is an arithmetic number, because the mean of its divisors is an integer number (17093440).

Almost surely, 2^272397897 is an apocalyptic number.

272397897 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

272397897 is a deficient number, since it is larger than the sum of its proper divisors (137844663).

272397897 is an equidigital number, since it uses as much as digits as its factorization.

272397897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6075 (or 6063 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 272397897 is about 16504.4811187750. The cubic root of 272397897 is about 648.2381454935.

The spelling of 272397897 in words is "two hundred seventy-two million, three hundred ninety-seven thousand, eight hundred ninety-seven".