34445680 has 20 divisors (see below), whose sum is σ = 80086392. Its totient is φ = 13778240.

The previous prime is 34445669. The next prime is 34445683. The reversal of 34445680 is 8654443.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34445683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215206 + ... + 215365.

Almost surely, 2^34445680 is an apocalyptic number.

It is an amenable number.

34445680 is an abundant number, since it is smaller than the sum of its proper divisors (45640712).

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

34445680 is a wasteful number, since it uses less digits than its factorization.

34445680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430584 (or 430578 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 34445680 is about 5869.0442152023. The cubic root of 34445680 is about 325.3705595821.

The spelling of 34445680 in words is "thirty-four million, four hundred forty-five thousand, six hundred eighty".