728094128 has 10 divisors (see below), whose sum is σ = 1410682404. Its totient is φ = 364047056.

The previous prime is 728094121. The next prime is 728094131. The reversal of 728094128 is 821490827.

It is not an unprimeable number, because it can be changed into a prime (728094121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752926 + ... + 22752957.

Almost surely, 2^728094128 is an apocalyptic number.

It is an amenable number.

728094128 is a deficient number, since it is larger than the sum of its proper divisors (682588276).

728094128 is a wasteful number, since it uses less digits than its factorization.

728094128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45505891 (or 45505885 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 728094128 is about 26983.2193779764. The cubic root of 728094128 is about 899.6270586509.

The spelling of 728094128 in words is "seven hundred twenty-eight million, ninety-four thousand, one hundred twenty-eight".