3445747 has 6 divisors (see below), whose sum is σ = 3660668. Its totient is φ = 3242784.

The previous prime is 3445723. The next prime is 3445753. The reversal of 3445747 is 7475443.

It is a de Polignac number, because none of the positive numbers 2^k-3445747 is a prime.

It is a Duffinian number.

3445747 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3445787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5673 + ... + 6250.

Almost surely, 2^3445747 is an apocalyptic number.

3445747 is a deficient number, since it is larger than the sum of its proper divisors (214921).

3445747 is a wasteful number, since it uses less digits than its factorization.

3445747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11957 (or 11940 counting only the distinct ones).

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

The square root of 3445747 is about 1856.2723399329. The cubic root of 3445747 is about 151.0408643403.

The spelling of 3445747 in words is "three million, four hundred forty-five thousand, seven hundred forty-seven".