730983240 has 192 divisors, whose sum is σ = 2670071040. Its totient is φ = 172085760.

The previous prime is 730983223. The next prime is 730983247. The reversal of 730983240 is 42389037.

730983240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 730983195 and 730983204.

It is not an unprimeable number, because it can be changed into a prime (730983247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104245 + ... + 111035.

It is an arithmetic number, because the mean of its divisors is an integer number (13906620).

Almost surely, 2^730983240 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 730983240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335035520).

730983240 is an abundant number, since it is smaller than the sum of its proper divisors (1939087800).

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

730983240 is a wasteful number, since it uses less digits than its factorization.

730983240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6844 (or 6837 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 730983240 is about 27036.7017219187. The cubic root of 730983240 is about 900.8154091560.

The spelling of 730983240 in words is "seven hundred thirty million, nine hundred eighty-three thousand, two hundred forty".