340673679 has 6 divisors (see below), whose sum is σ = 492084216. Its totient is φ = 227115780.

The previous prime is 340673639. The next prime is 340673681. The reversal of 340673679 is 976376043.

It is not a de Polignac number, because 340673679 - 2²⁸ = 72238223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340673639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18926307 + ... + 18926324.

It is an arithmetic number, because the mean of its divisors is an integer number (82014036).

Almost surely, 2^340673679 is an apocalyptic number.

340673679 is a deficient number, since it is larger than the sum of its proper divisors (151410537).

340673679 is a wasteful number, since it uses less digits than its factorization.

340673679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37852637 (or 37852634 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The square root of 340673679 is about 18457.3475613372. The cubic root of 340673679 is about 698.4138774438.

The spelling of 340673679 in words is "three hundred forty million, six hundred seventy-three thousand, six hundred seventy-nine".