340065673 has 2 divisors, whose sum is σ = 340065674. Its totient is φ = 340065672.

The previous prime is 340065659. The next prime is 340065679. The reversal of 340065673 is 376560043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210743289 + 129322384 = 14517^2 + 11372^2 .

It is a cyclic number.

It is not a de Polignac number, because 340065673 - 2⁵ = 340065641 is a prime.

It is not a weakly prime, because it can be changed into another prime (340065679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170032836 + 170032837.

It is an arithmetic number, because the mean of its divisors is an integer number (170032837).

Almost surely, 2^340065673 is an apocalyptic number.

It is an amenable number.

340065673 is a deficient number, since it is larger than the sum of its proper divisors (1).

340065673 is an equidigital number, since it uses as much as digits as its factorization.

340065673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 340065673 is about 18440.8696378452. The cubic root of 340065673 is about 697.9981397202.

The spelling of 340065673 in words is "three hundred forty million, sixty-five thousand, six hundred seventy-three".