720707056 has 10 divisors (see below), whose sum is σ = 1396369952. Its totient is φ = 360353520.

The previous prime is 720707033. The next prime is 720707059. The reversal of 720707056 is 650707027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720707059) 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 as a sum of consecutive naturals, namely, 22522080 + ... + 22522111.

Almost surely, 2^720707056 is an apocalyptic number.

It is an amenable number.

720707056 is a deficient number, since it is larger than the sum of its proper divisors (675662896).

720707056 is a wasteful number, since it uses less digits than its factorization.

720707056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45044199 (or 45044193 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 720707056 is about 26845.9877076631. The cubic root of 720707056 is about 896.5742425954.

The spelling of 720707056 in words is "seven hundred twenty million, seven hundred seven thousand, fifty-six".