728682446 has 8 divisors (see below), whose sum is σ = 1093356360. Its totient is φ = 364230328.

The previous prime is 728682413. The next prime is 728682457. The reversal of 728682446 is 644286827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 728682446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46976 + ... + 60531.

It is an arithmetic number, because the mean of its divisors is an integer number (136669545).

Almost surely, 2^728682446 is an apocalyptic number.

728682446 is a deficient number, since it is larger than the sum of its proper divisors (364673914).

728682446 is a wasteful number, since it uses less digits than its factorization.

728682446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110898.

The product of its digits is 1032192, while the sum is 47.

The square root of 728682446 is about 26994.1187298271. The cubic root of 728682446 is about 899.8693003620.

The spelling of 728682446 in words is "seven hundred twenty-eight million, six hundred eighty-two thousand, four hundred forty-six".