272840933 has 2 divisors, whose sum is σ = 272840934. Its totient is φ = 272840932.

The previous prime is 272840917. The next prime is 272840987. The reversal of 272840933 is 339048272.

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., 253987969 + 18852964 = 15937^2 + 4342^2 .

It is a cyclic number.

It is not a de Polignac number, because 272840933 - 2⁴ = 272840917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272840993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136420466 + 136420467.

It is an arithmetic number, because the mean of its divisors is an integer number (136420467).

Almost surely, 2^272840933 is an apocalyptic number.

It is an amenable number.

272840933 is a deficient number, since it is larger than the sum of its proper divisors (1).

272840933 is an equidigital number, since it uses as much as digits as its factorization.

272840933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 272840933 is about 16517.8973540823. The cubic root of 272840933 is about 648.5893930362.

The spelling of 272840933 in words is "two hundred seventy-two million, eight hundred forty thousand, nine hundred thirty-three".