710728 has 16 divisors (see below), whose sum is σ = 1351980. Its totient is φ = 350208.

The previous prime is 710713. The next prime is 710777. The reversal of 710728 is 827017.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 708964 + 1764 = 842^2 + 42^2 .

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, 25 + ... + 1192.

2⁷¹⁰⁷²⁸ is an apocalyptic number.

It is an amenable number.

710728 is a deficient number, since it is larger than the sum of its proper divisors (641252).

710728 is a wasteful number, since it uses less digits than its factorization.

710728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 710728 is about 843.0468551629. The cubic root of 710728 is about 89.2416945981.

The spelling of 710728 in words is "seven hundred ten thousand, seven hundred twenty-eight".