730913040 has 480 divisors, whose sum is σ = 2989808640. Its totient is φ = 157593600.

The previous prime is 730913039. The next prime is 730913069. The reversal of 730913040 is 40319037.

It is a junction number, because it is equal to n+sod(n) for n = 730912995 and 730913013.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3191646 + ... + 3191874.

It is an arithmetic number, because the mean of its divisors is an integer number (6228768).

Almost surely, 2^730913040 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 730913040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494904320).

730913040 is an abundant number, since it is smaller than the sum of its proper divisors (2258895600).

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

730913040 is a wasteful number, since it uses less digits than its factorization.

730913040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 730913040 is about 27035.4034554693. The cubic root of 730913040 is about 900.7865716202.

The spelling of 730913040 in words is "seven hundred thirty million, nine hundred thirteen thousand, forty".