4643975 has 36 divisors (see below), whose sum is σ = 7124544. Its totient is φ = 2983680.

The previous prime is 4643963. The next prime is 4643983. The reversal of 4643975 is 5793464.

It is not a de Polignac number, because 4643975 - 2⁴ = 4643959 is a prime.

It is an Ulam number.

Its product of digits (90720) is a multiple of the sum of its prime divisors (252).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20714 + ... + 20936.

It is an arithmetic number, because the mean of its divisors is an integer number (197904).

Almost surely, 2^4643975 is an apocalyptic number.

4643975 is a deficient number, since it is larger than the sum of its proper divisors (2480569).

4643975 is a wasteful number, since it uses less digits than its factorization.

4643975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 252 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 4643975 is about 2154.9883990407. The cubic root of 4643975 is about 166.8386336143.

The spelling of 4643975 in words is "four million, six hundred forty-three thousand, nine hundred seventy-five".