424730 has 8 divisors (see below), whose sum is σ = 764532. Its totient is φ = 169888.

The previous prime is 424729. The next prime is 424757. The reversal of 424730 is 37424.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 398161 + 26569 = 631^2 + 163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21227 + ... + 21246.

2⁴²⁴⁷³⁰ is an apocalyptic number.

424730 is a deficient number, since it is larger than the sum of its proper divisors (339802).

424730 is a wasteful number, since it uses less digits than its factorization.

424730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42480.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 424730 is about 651.7131270736. The cubic root of 424730 is about 75.1688049653.

The spelling of 424730 in words is "four hundred twenty-four thousand, seven hundred thirty".