730855128 has 16 divisors (see below), whose sum is σ = 1827137880. Its totient is φ = 243618368.

The previous prime is 730855127. The next prime is 730855241. The reversal of 730855128 is 821558037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730855127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15226125 + ... + 15226172.

Almost surely, 2^730855128 is an apocalyptic number.

It is an amenable number.

730855128 is an abundant number, since it is smaller than the sum of its proper divisors (1096282752).

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

730855128 is a wasteful number, since it uses less digits than its factorization.

730855128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30452306 (or 30452302 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 730855128 is about 27034.3323941983. The cubic root of 730855128 is about 900.7627804955.

The spelling of 730855128 in words is "seven hundred thirty million, eight hundred fifty-five thousand, one hundred twenty-eight".