4527320 has 128 divisors (see below), whose sum is σ = 13132800. Its totient is φ = 1368576.

The previous prime is 4527311. The next prime is 4527331. The reversal of 4527320 is 237254.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 122342 + ... + 122378.

It is an arithmetic number, because the mean of its divisors is an integer number (102600).

Almost surely, 2^4527320 is an apocalyptic number.

4527320 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 4527320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6566400).

4527320 is an abundant number, since it is smaller than the sum of its proper divisors (8605480).

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

4527320 is a wasteful number, since it uses less digits than its factorization.

4527320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 4527320 is about 2127.7499853131. The cubic root of 4527320 is about 165.4297947044.

The spelling of 4527320 in words is "four million, five hundred twenty-seven thousand, three hundred twenty".