452720 has 20 divisors (see below), whose sum is σ = 1052760. Its totient is φ = 181056.

The previous prime is 452701. The next prime is 452731. The reversal of 452720 is 27254.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 452692 and 452701.

It is a congruent number.

It is an unprimeable number.

452720 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750 + ... + 2909.

It is an arithmetic number, because the mean of its divisors is an integer number (52638).

2⁴⁵²⁷²⁰ is an apocalyptic number.

452720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452720 is an abundant number, since it is smaller than the sum of its proper divisors (600040).

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

452720 is a wasteful number, since it uses less digits than its factorization.

452720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672 (or 5666 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 452720 is about 672.8447071948. The cubic root of 452720 is about 76.7850303578.

Adding to 452720 its reverse (27254), we get a palindrome (479974).

The spelling of 452720 in words is "four hundred fifty-two thousand, seven hundred twenty".