720304016 has 10 divisors (see below), whose sum is σ = 1395589062. Its totient is φ = 360152000.

The previous prime is 720303971. The next prime is 720304019. The reversal of 720304016 is 610403027.

It can be written as a sum of positive squares in only one way, i.e., 718454416 + 1849600 = 26804^2 + 1360^2 .

It is a junction number, because it is equal to n+sod(n) for n = 720303982 and 720304000.

It is not an unprimeable number, because it can be changed into a prime (720304019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22509485 + ... + 22509516.

Almost surely, 2^720304016 is an apocalyptic number.

It is an amenable number.

720304016 is a deficient number, since it is larger than the sum of its proper divisors (675285046).

720304016 is a wasteful number, since it uses less digits than its factorization.

720304016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45019009 (or 45019003 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 720304016 is about 26838.4801358050. The cubic root of 720304016 is about 896.4070814441.

The spelling of 720304016 in words is "seven hundred twenty million, three hundred four thousand, sixteen".