728413730 has 16 divisors (see below), whose sum is σ = 1430339904. Its totient is φ = 264877680.

The previous prime is 728413723. The next prime is 728413759. The reversal of 728413730 is 37314827.

728413730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3310862 + ... + 3311081.

It is an arithmetic number, because the mean of its divisors is an integer number (89396244).

Almost surely, 2^728413730 is an apocalyptic number.

728413730 is a deficient number, since it is larger than the sum of its proper divisors (701926174).

728413730 is a wasteful number, since it uses less digits than its factorization.

728413730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621961.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 728413730 is about 26989.1409644694. The cubic root of 728413730 is about 899.7586719210.

The spelling of 728413730 in words is "seven hundred twenty-eight million, four hundred thirteen thousand, seven hundred thirty".