340345736 has 16 divisors (see below), whose sum is σ = 640046940. Its totient is φ = 169666560.

The previous prime is 340345693. The next prime is 340345751. The reversal of 340345736 is 637543043.

It can be written as a sum of positive squares in 2 ways, for example, as 290020900 + 50324836 = 17030^2 + 7094^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 340345696 and 340345705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60425 + ... + 65816.

Almost surely, 2^340345736 is an apocalyptic number.

It is an amenable number.

340345736 is a deficient number, since it is larger than the sum of its proper divisors (299701204).

340345736 is a wasteful number, since it uses less digits than its factorization.

340345736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126584 (or 126580 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 35.

The square root of 340345736 is about 18448.4616160806. The cubic root of 340345736 is about 698.1897005757.

Adding to 340345736 its reverse (637543043), we get a palindrome (977888779).

The spelling of 340345736 in words is "three hundred forty million, three hundred forty-five thousand, seven hundred thirty-six".