730480 has 40 divisors (see below), whose sum is σ = 1776672. Its totient is φ = 278784.

The previous prime is 730469. The next prime is 730487. The reversal of 730480 is 84037.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730487) 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, 1642 + ... + 2038.

2⁷³⁰⁴⁸⁰ 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 730480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888336).

730480 is an abundant number, since it is smaller than the sum of its proper divisors (1046192).

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

730480 is a wasteful number, since it uses less digits than its factorization.

730480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 730480 is about 854.6812271251. The cubic root of 730480 is about 90.0608641800.

The spelling of 730480 in words is "seven hundred thirty thousand, four hundred eighty".