524720 has 40 divisors (see below), whose sum is σ = 1395744. Its totient is φ = 179712.

The previous prime is 524707. The next prime is 524731. The reversal of 524720 is 27425.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a d-powerful number, because it can be written as 5³ + 2 + 7² + 4⁴ + 2¹⁹ + 0 .

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 524692 and 524701.

It is an unprimeable number.

524720 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92 + ... + 1028.

2⁵²⁴⁷²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 524720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697872).

524720 is an abundant number, since it is smaller than the sum of its proper divisors (871024).

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

524720 is a wasteful number, since it uses less digits than its factorization.

524720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 951 counting only the distinct ones).

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

The square root of 524720 is about 724.3755931835. The cubic root of 524720 is about 80.6570881629.

The spelling of 524720 in words is "five hundred twenty-four thousand, seven hundred twenty".