720627304 has 32 divisors (see below), whose sum is σ = 1369110600. Its totient is φ = 355548160.

The previous prime is 720627301. The next prime is 720627319. The reversal of 720627304 is 403726027.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 718347204 + 2280100 = 26802^2 + 1510^2 .

It is a super-2 number, since 2×720627304² = 1038607422540616832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (720627301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609594 + ... + 610774.

Almost surely, 2^720627304 is an apocalyptic number.

It is an amenable number.

720627304 is a deficient number, since it is larger than the sum of its proper divisors (648483296).

720627304 is a wasteful number, since it uses less digits than its factorization.

720627304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 2129 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 720627304 is about 26844.5023049413. The cubic root of 720627304 is about 896.5411703385.

The spelling of 720627304 in words is "seven hundred twenty million, six hundred twenty-seven thousand, three hundred four".