720316304 has 20 divisors (see below), whose sum is σ = 1418493660. Its totient is φ = 354253440.

The previous prime is 720316301. The next prime is 720316321. The reversal of 720316304 is 403613027.

It can be written as a sum of positive squares in 2 ways, for example, as 256000000 + 464316304 = 16000^2 + 21548^2 .

It is a super-4 number, since 4×720316304⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (720316301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368039 + ... + 369990.

It is an arithmetic number, because the mean of its divisors is an integer number (70924683).

Almost surely, 2^720316304 is an apocalyptic number.

It is an amenable number.

720316304 is a deficient number, since it is larger than the sum of its proper divisors (698177356).

720316304 is a wasteful number, since it uses less digits than its factorization.

720316304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738098 (or 738092 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 720316304 is about 26838.7090598635. The cubic root of 720316304 is about 896.4121788230.

The spelling of 720316304 in words is "seven hundred twenty million, three hundred sixteen thousand, three hundred four".