272817047 has 2 divisors, whose sum is σ = 272817048. Its totient is φ = 272817046.

The previous prime is 272817031. The next prime is 272817079. The reversal of 272817047 is 740718272.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272817047 - 2⁴ = 272817031 is a prime.

It is a super-2 number, since 2×272817047² = 148858282267600418, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 272817047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272817247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136408523 + 136408524.

It is an arithmetic number, because the mean of its divisors is an integer number (136408524).

Almost surely, 2^272817047 is an apocalyptic number.

272817047 is a deficient number, since it is larger than the sum of its proper divisors (1).

272817047 is an equidigital number, since it uses as much as digits as its factorization.

272817047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 272817047 is about 16517.1743043415. The cubic root of 272817047 is about 648.5704654531.

The spelling of 272817047 in words is "two hundred seventy-two million, eight hundred seventeen thousand, forty-seven".