720316276 has 6 divisors (see below), whose sum is σ = 1260553490. Its totient is φ = 360158136.

The previous prime is 720316273. The next prime is 720316283. The reversal of 720316276 is 672613027.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 534811876 + 185504400 = 23126^2 + 13620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720316273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90039531 + ... + 90039538.

Almost surely, 2^720316276 is an apocalyptic number.

It is an amenable number.

720316276 is a deficient number, since it is larger than the sum of its proper divisors (540237214).

720316276 is a wasteful number, since it uses less digits than its factorization.

720316276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180079073 (or 180079071 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 720316276 is about 26838.7085382289. The cubic root of 720316276 is about 896.4121672080.

The spelling of 720316276 in words is "seven hundred twenty million, three hundred sixteen thousand, two hundred seventy-six".