272547469 has 2 divisors, whose sum is σ = 272547470. Its totient is φ = 272547468.

The previous prime is 272547467. The next prime is 272547479. The reversal of 272547469 is 964745272.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270997444 + 1550025 = 16462^2 + 1245^2 .

It is a cyclic number.

It is not a de Polignac number, because 272547469 - 2¹ = 272547467 is a prime.

It is a super-2 number, since 2×272547469² = 148564245716611922, which contains 22 as substring.

Together with 272547467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272547467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136273734 + 136273735.

It is an arithmetic number, because the mean of its divisors is an integer number (136273735).

Almost surely, 2^272547469 is an apocalyptic number.

It is an amenable number.

272547469 is a deficient number, since it is larger than the sum of its proper divisors (1).

272547469 is an equidigital number, since it uses as much as digits as its factorization.

272547469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 46.

The square root of 272547469 is about 16509.0117511618. The cubic root of 272547469 is about 648.3567716356.

The spelling of 272547469 in words is "two hundred seventy-two million, five hundred forty-seven thousand, four hundred sixty-nine".