340774065 has 24 divisors (see below), whose sum is σ = 591333288. Its totient is φ = 181543680.

The previous prime is 340774051. The next prime is 340774067. The reversal of 340774065 is 560477043.

It can be written as a sum of positive squares in 4 ways, for example, as 88059456 + 252714609 = 9384^2 + 15897^2 .

It is not a de Polignac number, because 340774065 - 2²⁰ = 339725489 is a prime.

It is a super-2 number, since 2×340774065² = 232253926753248450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340774067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42237 + ... + 49653.

It is an arithmetic number, because the mean of its divisors is an integer number (24638887).

Almost surely, 2^340774065 is an apocalyptic number.

It is an amenable number.

340774065 is a deficient number, since it is larger than the sum of its proper divisors (250559223).

340774065 is a wasteful number, since it uses less digits than its factorization.

340774065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449 (or 8446 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 340774065 is about 18460.0667658598. The cubic root of 340774065 is about 698.4824710319.

The spelling of 340774065 in words is "three hundred forty million, seven hundred seventy-four thousand, sixty-five".