4575478 has 4 divisors (see below), whose sum is σ = 6863220. Its totient is φ = 2287738.

The previous prime is 4575469. The next prime is 4575481. The reversal of 4575478 is 8745754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8745754 = 2 ⋅4372877.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4575478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143868 + ... + 1143871.

It is an arithmetic number, because the mean of its divisors is an integer number (1715805).

Almost surely, 2^4575478 is an apocalyptic number.

4575478 is a deficient number, since it is larger than the sum of its proper divisors (2287742).

4575478 is a wasteful number, since it uses less digits than its factorization.

4575478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287741.

The product of its digits is 156800, while the sum is 40.

The square root of 4575478 is about 2139.0366990774. The cubic root of 4575478 is about 166.0142969251.

The spelling of 4575478 in words is "four million, five hundred seventy-five thousand, four hundred seventy-eight".