272436473 has 2 divisors, whose sum is σ = 272436474. Its totient is φ = 272436472.

The previous prime is 272436427. The next prime is 272436481. The reversal of 272436473 is 374634272.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140944384 + 131492089 = 11872^2 + 11467^2 .

It is a cyclic number.

It is not a de Polignac number, because 272436473 - 2²⁶ = 205327609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (272436973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136218236 + 136218237.

It is an arithmetic number, because the mean of its divisors is an integer number (136218237).

Almost surely, 2^272436473 is an apocalyptic number.

It is an amenable number.

272436473 is a deficient number, since it is larger than the sum of its proper divisors (1).

272436473 is an equidigital number, since it uses as much as digits as its factorization.

272436473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 38.

The square root of 272436473 is about 16505.6497297138. The cubic root of 272436473 is about 648.2687444257.

The spelling of 272436473 in words is "two hundred seventy-two million, four hundred thirty-six thousand, four hundred seventy-three".