728299066 has 16 divisors (see below), whose sum is σ = 1192203360. Its totient is φ = 330922480.

The previous prime is 728299063. The next prime is 728299079. The reversal of 728299066 is 660992827.

It is not an unprimeable number, because it can be changed into a prime (728299063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84300 + ... + 92536.

It is an arithmetic number, because the mean of its divisors is an integer number (74512710).

Almost surely, 2^728299066 is an apocalyptic number.

728299066 is a deficient number, since it is larger than the sum of its proper divisors (463904294).

728299066 is a wasteful number, since it uses less digits than its factorization.

728299066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12269.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 728299066 is about 26987.0166191078. The cubic root of 728299066 is about 899.7114572965.

The spelling of 728299066 in words is "seven hundred twenty-eight million, two hundred ninety-nine thousand, sixty-six".