730236 has 48 divisors (see below), whose sum is σ = 1906688. Its totient is φ = 216000.

The previous prime is 730217. The next prime is 730237. The reversal of 730236 is 632037.

730236 = T₄₈ + T₄₉ + ... + T₁₆₄.

730236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

730236 is a nontrivial binomial coefficient, being equal to C(1209, 2).

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 730236.

It is not an unprimeable number, because it can be changed into a prime (730237) by changing a digit.

730236 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4761 + ... + 4911.

2⁷³⁰²³⁶ is an apocalyptic number.

730236 is the 1208-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (953344).

730236 is an abundant number, since it is smaller than the sum of its proper divisors (1176452).

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

730236 is a wasteful number, since it uses less digits than its factorization.

730236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 730236 is about 854.5384719251. The cubic root of 730236 is about 90.0508354783.

The spelling of 730236 in words is "seven hundred thirty thousand, two hundred thirty-six".