4578780 has 72 divisors (see below), whose sum is σ = 13780368. Its totient is φ = 1132032.

The previous prime is 4578767. The next prime is 4578811. The reversal of 4578780 is 878754.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68307 + ... + 68373.

It is an arithmetic number, because the mean of its divisors is an integer number (191394).

Almost surely, 2^4578780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4578780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6890184).

4578780 is an abundant number, since it is smaller than the sum of its proper divisors (9201588).

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

4578780 is a wasteful number, since it uses less digits than its factorization.

4578780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 4578780 is about 2139.8084026380. The cubic root of 4578780 is about 166.0542233468.

The spelling of 4578780 in words is "four million, five hundred seventy-eight thousand, seven hundred eighty".