728824522 has 16 divisors (see below), whose sum is σ = 1114495200. Its totient is φ = 357356560.

The previous prime is 728824517. The next prime is 728824531. The reversal of 728824522 is 225428827.

It is an unprimeable number.

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, 42072 + ... + 56812.

It is an arithmetic number, because the mean of its divisors is an integer number (69655950).

Almost surely, 2^728824522 is an apocalyptic number.

728824522 is a deficient number, since it is larger than the sum of its proper divisors (385670678).

728824522 is a wasteful number, since it uses less digits than its factorization.

728824522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15221.

The product of its digits is 143360, while the sum is 40.

The square root of 728824522 is about 26996.7502118311. The cubic root of 728824522 is about 899.9277810363.

The spelling of 728824522 in words is "seven hundred twenty-eight million, eight hundred twenty-four thousand, five hundred twenty-two".