4778066 has 16 divisors (see below), whose sum is σ = 7527168. Its totient is φ = 2270400.

The previous prime is 4778051. The next prime is 4778077. The reversal of 4778066 is 6608774.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10871 + ... + 11301.

It is an arithmetic number, because the mean of its divisors is an integer number (470448).

Almost surely, 2^4778066 is an apocalyptic number.

4778066 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4778066 is a deficient number, since it is larger than the sum of its proper divisors (2749102).

4778066 is a wasteful number, since it uses less digits than its factorization.

4778066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 4778066 is about 2185.8787706550. The cubic root of 4778066 is about 168.4291983005.

The spelling of 4778066 in words is "four million, seven hundred seventy-eight thousand, sixty-six".