497730 has 32 divisors (see below), whose sum is σ = 1223424. Its totient is φ = 129536.

The previous prime is 497729. The next prime is 497737. The reversal of 497730 is 37794.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (497737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234 + ... + 1586.

It is an arithmetic number, because the mean of its divisors is an integer number (38232).

2⁴⁹⁷⁷³⁰ is an apocalyptic number.

It is a pronic number, being equal to 705×706.

It is a practical number, because each smaller number is the sum of distinct divisors of 497730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611712).

497730 is an abundant number, since it is smaller than the sum of its proper divisors (725694).

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

497730 is a wasteful number, since it uses less digits than its factorization.

497730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 497730 is about 705.4998228207. The cubic root of 497730 is about 79.2497570208.

The spelling of 497730 in words is "four hundred ninety-seven thousand, seven hundred thirty".