272945429 has 2 divisors, whose sum is σ = 272945430. Its totient is φ = 272945428.

The previous prime is 272945401. The next prime is 272945473. The reversal of 272945429 is 924549272.

It is a happy number.

It is an a-pointer prime, because the next prime (272945473) can be obtained adding 272945429 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198951025 + 73994404 = 14105^2 + 8602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272945429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 272945429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272941429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136472714 + 136472715.

It is an arithmetic number, because the mean of its divisors is an integer number (136472715).

Almost surely, 2^272945429 is an apocalyptic number.

It is an amenable number.

272945429 is a deficient number, since it is larger than the sum of its proper divisors (1).

272945429 is an equidigital number, since it uses as much as digits as its factorization.

272945429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 272945429 is about 16521.0601657400. The cubic root of 272945429 is about 648.6721840675.

It can be divided in two parts, 27294 and 5429, that added together give a palindrome (32723).

The spelling of 272945429 in words is "two hundred seventy-two million, nine hundred forty-five thousand, four hundred twenty-nine".