4564720 has 20 divisors (see below), whose sum is σ = 10613160. Its totient is φ = 1825856.

The previous prime is 4564711. The next prime is 4564753. The reversal of 4564720 is 274654.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28450 + ... + 28609.

It is an arithmetic number, because the mean of its divisors is an integer number (530658).

Almost surely, 2^4564720 is an apocalyptic number.

4564720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4564720 is an abundant number, since it is smaller than the sum of its proper divisors (6048440).

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

4564720 is a wasteful number, since it uses less digits than its factorization.

4564720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57072 (or 57066 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 4564720 is about 2136.5205358245. The cubic root of 4564720 is about 165.8840822321.

The spelling of 4564720 in words is "four million, five hundred sixty-four thousand, seven hundred twenty".