4564778 has 16 divisors (see below), whose sum is σ = 7015680. Its totient is φ = 2227056.

The previous prime is 4564759. The next prime is 4564793. The reversal of 4564778 is 8774654.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26300 + ... + 26472.

It is an arithmetic number, because the mean of its divisors is an integer number (438480).

Almost surely, 2^4564778 is an apocalyptic number.

4564778 is a deficient number, since it is larger than the sum of its proper divisors (2450902).

4564778 is a wasteful number, since it uses less digits than its factorization.

4564778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its digits is 188160, while the sum is 41.

The square root of 4564778 is about 2136.5341092526. The cubic root of 4564778 is about 165.8847848116.

The spelling of 4564778 in words is "four million, five hundred sixty-four thousand, seven hundred seventy-eight".