4572720 has 160 divisors (see below), whose sum is σ = 16516800. Its totient is φ = 1161216.

The previous prime is 4572709. The next prime is 4572721. The reversal of 4572720 is 272754.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4572721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62604 + ... + 62676.

It is an arithmetic number, because the mean of its divisors is an integer number (103230).

Almost surely, 2^4572720 is an apocalyptic number.

4572720 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 4572720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8258400).

4572720 is an abundant number, since it is smaller than the sum of its proper divisors (11944080).

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

4572720 is a wasteful number, since it uses less digits than its factorization.

4572720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 4572720 is about 2138.3919191767. The cubic root of 4572720 is about 165.9809336015.

The spelling of 4572720 in words is "four million, five hundred seventy-two thousand, seven hundred twenty".