272434247 has 2 divisors, whose sum is σ = 272434248. Its totient is φ = 272434246.

The previous prime is 272434243. The next prime is 272434249. The reversal of 272434247 is 742434272.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 272434247 - 2² = 272434243 is a prime.

Together with 272434249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272434243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136217123 + 136217124.

It is an arithmetic number, because the mean of its divisors is an integer number (136217124).

Almost surely, 2^272434247 is an apocalyptic number.

272434247 is a deficient number, since it is larger than the sum of its proper divisors (1).

272434247 is an equidigital number, since it uses as much as digits as its factorization.

272434247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 35.

The square root of 272434247 is about 16505.5822981196. The cubic root of 272434247 is about 648.2669788151.

The spelling of 272434247 in words is "two hundred seventy-two million, four hundred thirty-four thousand, two hundred forty-seven".