728983622 has 4 divisors (see below), whose sum is σ = 1093475436. Its totient is φ = 364491810.

The previous prime is 728983609. The next prime is 728983741. The reversal of 728983622 is 226389827.

728983622 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 super-2 number, since 2×728983622² = 1062834242288477768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182245904 + ... + 182245907.

It is an arithmetic number, because the mean of its divisors is an integer number (273368859).

Almost surely, 2^728983622 is an apocalyptic number.

728983622 is a deficient number, since it is larger than the sum of its proper divisors (364491814).

728983622 is a wasteful number, since it uses less digits than its factorization.

728983622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364491813.

The product of its digits is 580608, while the sum is 47.

The square root of 728983622 is about 26999.6967020002. The cubic root of 728983622 is about 899.9932600318.

The spelling of 728983622 in words is "seven hundred twenty-eight million, nine hundred eighty-three thousand, six hundred twenty-two".