4778134 has 4 divisors (see below), whose sum is σ = 7167204. Its totient is φ = 2389066.

The previous prime is 4778129. The next prime is 4778153. The reversal of 4778134 is 4318774.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4778134.

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, 1194532 + ... + 1194535.

It is an arithmetic number, because the mean of its divisors is an integer number (1791801).

Almost surely, 2^4778134 is an apocalyptic number.

4778134 is a deficient number, since it is larger than the sum of its proper divisors (2389070).

4778134 is a wasteful number, since it uses less digits than its factorization.

4778134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389069.

The product of its digits is 18816, while the sum is 34.

The square root of 4778134 is about 2185.8943249846. The cubic root of 4778134 is about 168.4299973080.

The spelling of 4778134 in words is "four million, seven hundred seventy-eight thousand, one hundred thirty-four".