728660854 has 8 divisors (see below), whose sum is σ = 1113613920. Its totient is φ = 357456216.

The previous prime is 728660839. The next prime is 728660893. The reversal of 728660854 is 458066827.

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

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, 3436974 + ... + 3437185.

It is an arithmetic number, because the mean of its divisors is an integer number (139201740).

Almost surely, 2^728660854 is an apocalyptic number.

728660854 is a deficient number, since it is larger than the sum of its proper divisors (384953066).

728660854 is a wasteful number, since it uses less digits than its factorization.

728660854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874214.

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 728660854 is about 26993.7187878958. The cubic root of 728660854 is about 899.8604120962.

The spelling of 728660854 in words is "seven hundred twenty-eight million, six hundred sixty thousand, eight hundred fifty-four".