4778774 has 72 divisors (see below), whose sum is σ = 10188864. Its totient is φ = 1663200.

The previous prime is 4778759. The next prime is 4778777.

4778774 is nontrivially palindromic in base 10.

Its product of digits (307328) is a multiple of the sum of its prime divisors (64).

It is a Curzon number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778777) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 154139 + ... + 154169.

It is an arithmetic number, because the mean of its divisors is an integer number (141512).

Almost surely, 2^4778774 is an apocalyptic number.

4778774 is an abundant number, since it is smaller than the sum of its proper divisors (5410090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4778774 is a wasteful number, since it uses less digits than its factorization.

4778774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 64 counting only the distinct ones).

The product of its digits is 307328, while the sum is 44.

The square root of 4778774 is about 2186.0407132531. The cubic root of 4778774 is about 168.4375170068.

The spelling of 4778774 in words is "four million, seven hundred seventy-eight thousand, seven hundred seventy-four".