4782278 has 8 divisors (see below), whose sum is σ = 7291200. Its totient is φ = 2351880.

The previous prime is 4782269. The next prime is 4782301. The reversal of 4782278 is 8722874.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 19478 + ... + 19721.

It is an arithmetic number, because the mean of its divisors is an integer number (911400).

Almost surely, 2^4782278 is an apocalyptic number.

4782278 is a deficient number, since it is larger than the sum of its proper divisors (2508922).

4782278 is a wasteful number, since it uses less digits than its factorization.

4782278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39262.

The product of its digits is 50176, while the sum is 38.

The square root of 4782278 is about 2186.8420153271. The cubic root of 4782278 is about 168.4786754618.

The spelling of 4782278 in words is "four million, seven hundred eighty-two thousand, two hundred seventy-eight".