4556720 has 80 divisors (see below), whose sum is σ = 12380160. Its totient is φ = 1527552.

The previous prime is 4556719. The next prime is 4556729. The reversal of 4556720 is 276554.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4556729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44189 + ... + 44291.

It is an arithmetic number, because the mean of its divisors is an integer number (154752).

Almost surely, 2^4556720 is an apocalyptic number.

4556720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4556720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6190080).

4556720 is an abundant number, since it is smaller than the sum of its proper divisors (7823440).

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

4556720 is a wasteful number, since it uses less digits than its factorization.

4556720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 4556720 is about 2134.6475118857. The cubic root of 4556720 is about 165.7871176372.

It can be divided in two parts, 45 and 56720, that added together give a palindrome (56765).

The spelling of 4556720 in words is "four million, five hundred fifty-six thousand, seven hundred twenty".