4775643 has 12 divisors (see below), whose sum is σ = 7121088. Its totient is φ = 3080880.

The previous prime is 4775621. The next prime is 4775647. The reversal of 4775643 is 3465774.

4775643 is a `hidden beast` number, since 4 + 7 + 7 + 5 + 643 = 666.

It is not a de Polignac number, because 4775643 - 2⁹ = 4775131 is a prime.

4775643 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4775598 and 4775607.

It is not an unprimeable number, because it can be changed into a prime (4775647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8280 + ... + 8837.

It is an arithmetic number, because the mean of its divisors is an integer number (593424).

Almost surely, 2^4775643 is an apocalyptic number.

4775643 is a deficient number, since it is larger than the sum of its proper divisors (2345445).

4775643 is a wasteful number, since it uses less digits than its factorization.

4775643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17154 (or 17151 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 4775643 is about 2185.3244610355. The cubic root of 4775643 is about 168.4007228357.

The spelling of 4775643 in words is "four million, seven hundred seventy-five thousand, six hundred forty-three".