4564478 has 8 divisors (see below), whose sum is σ = 6858000. Its totient is φ = 2278480.

The previous prime is 4564477. The next prime is 4564487. The reversal of 4564478 is 8744654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4564477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 3021.

It is an arithmetic number, because the mean of its divisors is an integer number (857250).

Almost surely, 2^4564478 is an apocalyptic number.

4564478 is a deficient number, since it is larger than the sum of its proper divisors (2293522).

4564478 is a wasteful number, since it uses less digits than its factorization.

4564478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3762.

The product of its digits is 107520, while the sum is 38.

The square root of 4564478 is about 2136.4639009354. The cubic root of 4564478 is about 165.8811507155.

The spelling of 4564478 in words is "four million, five hundred sixty-four thousand, four hundred seventy-eight".