4725520 has 20 divisors (see below), whose sum is σ = 10987020. Its totient is φ = 1890176.

The previous prime is 4725503. The next prime is 4725527. The reversal of 4725520 is 255274.

It can be written as a sum of positive squares in 2 ways, for example, as 2663424 + 2062096 = 1632^2 + 1436^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4725527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29455 + ... + 29614.

It is an arithmetic number, because the mean of its divisors is an integer number (549351).

Almost surely, 2^4725520 is an apocalyptic number.

4725520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4725520 is an abundant number, since it is smaller than the sum of its proper divisors (6261500).

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

4725520 is a wasteful number, since it uses less digits than its factorization.

4725520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59082 (or 59076 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 4725520 is about 2173.8261200013. The cubic root of 4725520 is about 167.8094968351.

The spelling of 4725520 in words is "four million, seven hundred twenty-five thousand, five hundred twenty".