3447473 has 4 divisors (see below), whose sum is σ = 3455040. Its totient is φ = 3439908.

The previous prime is 3447469. The next prime is 3447503. The reversal of 3447473 is 3747443.

3447473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3747443 = 7 ⋅535349.

It is a cyclic number.

It is not a de Polignac number, because 3447473 - 2² = 3447469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3447443) 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, 3053 + ... + 4026.

It is an arithmetic number, because the mean of its divisors is an integer number (863760).

Almost surely, 2^3447473 is an apocalyptic number.

It is an amenable number.

3447473 is a deficient number, since it is larger than the sum of its proper divisors (7567).

3447473 is an equidigital number, since it uses as much as digits as its factorization.

3447473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7566.

The product of its digits is 28224, while the sum is 32.

The square root of 3447473 is about 1856.7371919580. The cubic root of 3447473 is about 151.0660792904.

The spelling of 3447473 in words is "three million, four hundred forty-seven thousand, four hundred seventy-three".