340645670 has 24 divisors (see below), whose sum is σ = 633597552. Its totient is φ = 131859120.

The previous prime is 340645637. The next prime is 340645673. The reversal of 340645670 is 76546043.

It is a self number, because there is not a number n which added to its sum of digits gives 340645670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340645673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8114 + ... + 27333.

It is an arithmetic number, because the mean of its divisors is an integer number (26399898).

Almost surely, 2^340645670 is an apocalyptic number.

340645670 is a deficient number, since it is larger than the sum of its proper divisors (292951882).

340645670 is a wasteful number, since it uses less digits than its factorization.

340645670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35516 (or 35485 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 340645670 is about 18456.5887964163. The cubic root of 340645670 is about 698.3947365360.

The spelling of 340645670 in words is "three hundred forty million, six hundred forty-five thousand, six hundred seventy".