730856 has 32 divisors (see below), whose sum is σ = 1620480. Its totient is φ = 302400.

The previous prime is 730853. The next prime is 730867. The reversal of 730856 is 658037.

730856 is nontrivially palindromic in base 6.

730856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730853) 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, 1526 + ... + 1946.

It is an arithmetic number, because the mean of its divisors is an integer number (50640).

2⁷³⁰⁸⁵⁶ 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 730856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810240).

730856 is an abundant number, since it is smaller than the sum of its proper divisors (889624).

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

730856 is a wasteful number, since it uses less digits than its factorization.

730856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 730856 is about 854.9011638780. The cubic root of 730856 is about 90.0763138736.

The spelling of 730856 in words is "seven hundred thirty thousand, eight hundred fifty-six".