728674827 has 16 divisors (see below), whose sum is σ = 979461120. Its totient is φ = 481852800.

The previous prime is 728674801. The next prime is 728674847. The reversal of 728674827 is 728476827.

It is not a de Polignac number, because 728674827 - 2⁶ = 728674763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 728674827.

It is not an unprimeable number, because it can be changed into a prime (728674847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194074 + ... + 197792.

It is an arithmetic number, because the mean of its divisors is an integer number (61216320).

Almost surely, 2^728674827 is an apocalyptic number.

728674827 is a deficient number, since it is larger than the sum of its proper divisors (250786293).

728674827 is a wasteful number, since it uses less digits than its factorization.

728674827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234.

The product of its digits is 2107392, while the sum is 51.

The square root of 728674827 is about 26993.9776061254. The cubic root of 728674827 is about 899.8661640493.

The spelling of 728674827 in words is "seven hundred twenty-eight million, six hundred seventy-four thousand, eight hundred twenty-seven".