4778130 has 64 divisors (see below), whose sum is σ = 13356288. Its totient is φ = 1071360.

The previous prime is 4778129. The next prime is 4778153. The reversal of 4778130 is 318774.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12624 + ... + 12996.

It is an arithmetic number, because the mean of its divisors is an integer number (208692).

Almost surely, 2^4778130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4778130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6678144).

4778130 is an abundant number, since it is smaller than the sum of its proper divisors (8578158).

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

4778130 is a wasteful number, since it uses less digits than its factorization.

4778130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 4778130 is about 2185.8934100271. The cubic root of 4778130 is about 168.4299503078.

The spelling of 4778130 in words is "four million, seven hundred seventy-eight thousand, one hundred thirty".