497720 has 32 divisors (see below), whose sum is σ = 1170720. Its totient is φ = 190080.

The previous prime is 497719. The next prime is 497729. The reversal of 497720 is 27794.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650 + ... + 1190.

It is an arithmetic number, because the mean of its divisors is an integer number (36585).

2⁴⁹⁷⁷²⁰ is an apocalyptic number.

497720 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 497720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585360).

497720 is an abundant number, since it is smaller than the sum of its proper divisors (673000).

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

497720 is a wasteful number, since it uses less digits than its factorization.

497720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 497720 is about 705.4927356111. The cubic root of 497720 is about 79.2492262759.

The spelling of 497720 in words is "four hundred ninety-seven thousand, seven hundred twenty".