730880 has 36 divisors (see below), whose sum is σ = 1753752. Its totient is φ = 291840.

The previous prime is 730879. The next prime is 730889. The reversal of 730880 is 88037.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 730880.

It is not an unprimeable number, because it can be changed into a prime (730889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995 + ... + 1565.

2⁷³⁰⁸⁸⁰ 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 730880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876876).

730880 is an abundant number, since it is smaller than the sum of its proper divisors (1022872).

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

730880 is an equidigital number, since it uses as much as digits as its factorization.

730880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 730880 is about 854.9152004731. The cubic root of 730880 is about 90.0772998443.

The spelling of 730880 in words is "seven hundred thirty thousand, eight hundred eighty".