730075500 has 576 divisors, whose sum is σ = 2998195200. Its totient is φ = 148176000.

The previous prime is 730075481. The next prime is 730075501. The reversal of 730075500 is 5570037.

It is not an unprimeable number, because it can be changed into a prime (730075501) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 16978479 + ... + 16978521.

It is an arithmetic number, because the mean of its divisors is an integer number (5205200).

Almost surely, 2^730075500 is an apocalyptic number.

730075500 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730075500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499097600).

730075500 is an abundant number, since it is smaller than the sum of its proper divisors (2268119700).

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

730075500 is a wasteful number, since it uses less digits than its factorization.

730075500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 3675, while the sum is 27.

The square root of 730075500 is about 27019.9093262727. The cubic root of 730075500 is about 900.4423751173.

The spelling of 730075500 in words is "seven hundred thirty million, seventy-five thousand, five hundred".