340427273 has 2 divisors, whose sum is σ = 340427274. Its totient is φ = 340427272.

The previous prime is 340427249. The next prime is 340427279. The reversal of 340427273 is 372724043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340144249 + 283024 = 18443^2 + 532^2 .

It is a cyclic number.

It is not a de Polignac number, because 340427273 - 2¹² = 340423177 is a prime.

It is not a weakly prime, because it can be changed into another prime (340427279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170213636 + 170213637.

It is an arithmetic number, because the mean of its divisors is an integer number (170213637).

Almost surely, 2^340427273 is an apocalyptic number.

It is an amenable number.

340427273 is a deficient number, since it is larger than the sum of its proper divisors (1).

340427273 is an equidigital number, since it uses as much as digits as its factorization.

340427273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 340427273 is about 18450.6713427994. The cubic root of 340427273 is about 698.2454514804.

The spelling of 340427273 in words is "three hundred forty million, four hundred twenty-seven thousand, two hundred seventy-three".