272173969 has 2 divisors, whose sum is σ = 272173970. Its totient is φ = 272173968.

The previous prime is 272173963. The next prime is 272173991. The reversal of 272173969 is 969371272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198471744 + 73702225 = 14088^2 + 8585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272173969 is a prime.

It is a super-2 number, since 2×272173969² = 148157338802425922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (272173963) 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, 136086984 + 136086985.

It is an arithmetic number, because the mean of its divisors is an integer number (136086985).

Almost surely, 2^272173969 is an apocalyptic number.

It is an amenable number.

272173969 is a deficient number, since it is larger than the sum of its proper divisors (1).

272173969 is an equidigital number, since it uses as much as digits as its factorization.

272173969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 46.

The square root of 272173969 is about 16497.6958694237. The cubic root of 272173969 is about 648.0604661162.

The spelling of 272173969 in words is "two hundred seventy-two million, one hundred seventy-three thousand, nine hundred sixty-nine".