728314214 has 4 divisors (see below), whose sum is σ = 1092471324. Its totient is φ = 364157106.

The previous prime is 728314199. The next prime is 728314219. The reversal of 728314214 is 412413827.

728314214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728314219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182078552 + ... + 182078555.

It is an arithmetic number, because the mean of its divisors is an integer number (273117831).

Almost surely, 2^728314214 is an apocalyptic number.

728314214 is a deficient number, since it is larger than the sum of its proper divisors (364157110).

728314214 is a wasteful number, since it uses less digits than its factorization.

728314214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364157109.

The product of its digits is 10752, while the sum is 32.

The square root of 728314214 is about 26987.2972711237. The cubic root of 728314214 is about 899.7176949971.

The spelling of 728314214 in words is "seven hundred twenty-eight million, three hundred fourteen thousand, two hundred fourteen".