3447745 has 8 divisors (see below), whose sum is σ = 4728384. Its totient is φ = 2364144.

The previous prime is 3447739. The next prime is 3447749. The reversal of 3447745 is 5477443.

3447745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3447745 - 2⁵ = 3447713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3447745.

It is not an unprimeable number, because it can be changed into a prime (3447749) 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 7 ways as a sum of consecutive naturals, for example, 49219 + ... + 49288.

It is an arithmetic number, because the mean of its divisors is an integer number (591048).

Almost surely, 2^3447745 is an apocalyptic number.

3447745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3447745 is a deficient number, since it is larger than the sum of its proper divisors (1280639).

3447745 is an equidigital number, since it uses as much as digits as its factorization.

3447745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98519.

The product of its digits is 47040, while the sum is 34.

The square root of 3447745 is about 1856.8104372822. The cubic root of 3447745 is about 151.0700521417.

The spelling of 3447745 in words is "three million, four hundred forty-seven thousand, seven hundred forty-five".