478730 has 24 divisors (see below), whose sum is σ = 1003428. Its totient is φ = 163968.

The previous prime is 478729. The next prime is 478739. The reversal of 478730 is 37874.

It can be written as a sum of positive squares in 2 ways, for example, as 461041 + 17689 = 679^2 + 133^2 .

It is a junction number, because it is equal to n+sod(n) for n = 478693 and 478702.

It is not an unprimeable number, because it can be changed into a prime (478739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2 + ... + 978.

2⁴⁷⁸⁷³⁰ is an apocalyptic number.

478730 is an abundant number, since it is smaller than the sum of its proper divisors (524698).

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

478730 is a wasteful number, since it uses less digits than its factorization.

478730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 478730 is about 691.9031724165. The cubic root of 478730 is about 78.2282379166.

The spelling of 478730 in words is "four hundred seventy-eight thousand, seven hundred thirty".