730129530 has 64 divisors (see below), whose sum is σ = 1986445440. Its totient is φ = 170263296.

The previous prime is 730129523. The next prime is 730129531. The reversal of 730129530 is 35921037.

730129530 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 (30).

It is not an unprimeable number, because it can be changed into a prime (730129531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41857 + ... + 56676.

It is an arithmetic number, because the mean of its divisors is an integer number (31038210).

Almost surely, 2^730129530 is an apocalyptic number.

730129530 is an abundant number, since it is smaller than the sum of its proper divisors (1256315910).

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

730129530 is a wasteful number, since it uses less digits than its factorization.

730129530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98575.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 730129530 is about 27020.9091260823. The cubic root of 730129530 is about 900.4645872955.

The spelling of 730129530 in words is "seven hundred thirty million, one hundred twenty-nine thousand, five hundred thirty".