340673680 has 40 divisors (see below), whose sum is σ = 792842112. Its totient is φ = 136136064.

The previous prime is 340673639. The next prime is 340673681. The reversal of 340673680 is 86376043.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (340673681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141769 + ... + 144151.

Almost surely, 2^340673680 is an apocalyptic number.

It is an amenable number.

340673680 is an abundant number, since it is smaller than the sum of its proper divisors (452168432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340673680 is a wasteful number, since it uses less digits than its factorization.

340673680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183 (or 4177 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 340673680 is about 18457.3475884267. The cubic root of 340673680 is about 698.4138781271.

The spelling of 340673680 in words is "three hundred forty million, six hundred seventy-three thousand, six hundred eighty".