340811073 has 6 divisors (see below), whose sum is σ = 492282674. Its totient is φ = 227207376.

The previous prime is 340811039. The next prime is 340811089. The reversal of 340811073 is 370118043.

It can be written as a sum of positive squares in only one way, i.e., 287404209 + 53406864 = 16953^2 + 7308^2 .

It is not a de Polignac number, because 340811073 - 2¹³ = 340802881 is a prime.

It is a super-2 number, since 2×340811073² = 232304374958822658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340811473) 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 in 5 ways as a sum of consecutive naturals, for example, 18933940 + ... + 18933957.

Almost surely, 2^340811073 is an apocalyptic number.

It is an amenable number.

340811073 is a deficient number, since it is larger than the sum of its proper divisors (151471601).

340811073 is a wasteful number, since it uses less digits than its factorization.

340811073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37867903 (or 37867900 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 340811073 is about 18461.0691185532. The cubic root of 340811073 is about 698.5077551388.

The spelling of 340811073 in words is "three hundred forty million, eight hundred eleven thousand, seventy-three".