4147745 has 16 divisors (see below), whose sum is σ = 6023808. Its totient is φ = 2676480.

The previous prime is 4147739. The next prime is 4147747. The reversal of 4147745 is 5477414.

4147745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4147745 - 2⁴ = 4147729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4147747) 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 15 ways as a sum of consecutive naturals, for example, 2891 + ... + 4080.

It is an arithmetic number, because the mean of its divisors is an integer number (376488).

Almost surely, 2^4147745 is an apocalyptic number.

It is an amenable number.

4147745 is a deficient number, since it is larger than the sum of its proper divisors (1876063).

4147745 is a wasteful number, since it uses less digits than its factorization.

4147745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000.

The product of its digits is 15680, while the sum is 32.

The square root of 4147745 is about 2036.6013355588. The cubic root of 4147745 is about 160.6709455386.

The spelling of 4147745 in words is "four million, one hundred forty-seven thousand, seven hundred forty-five".