728514082 has 4 divisors (see below), whose sum is σ = 1092771126. Its totient is φ = 364257040.

The previous prime is 728514071. The next prime is 728514091. The reversal of 728514082 is 280415827.

728514082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 26991²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 728514081 + 1 = 26991^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182128519 + ... + 182128522.

Almost surely, 2^728514082 is an apocalyptic number.

728514082 is a deficient number, since it is larger than the sum of its proper divisors (364257044).

728514082 is a wasteful number, since it uses less digits than its factorization.

728514082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364257043.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 728514082 is about 26991.0000185247. Note that the first 4 decimals coincide. The cubic root of 728514082 is about 899.7999892989.

The spelling of 728514082 in words is "seven hundred twenty-eight million, five hundred fourteen thousand, eighty-two".