340340774 has 4 divisors (see below), whose sum is σ = 510511164. Its totient is φ = 170170386.

The previous prime is 340340773. The next prime is 340340779. The reversal of 340340774 is 477043043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 477043043 = 2287 ⋅208589.

It is a self number, because there is not a number n which added to its sum of digits gives 340340774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340340773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85085192 + ... + 85085195.

It is an arithmetic number, because the mean of its divisors is an integer number (127627791).

Almost surely, 2^340340774 is an apocalyptic number.

340340774 is a deficient number, since it is larger than the sum of its proper divisors (170170390).

340340774 is a wasteful number, since it uses less digits than its factorization.

340340774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170170389.

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

The square root of 340340774 is about 18448.3271328324. The cubic root of 340340774 is about 698.1863075219.

The spelling of 340340774 in words is "three hundred forty million, three hundred forty thousand, seven hundred seventy-four".