720740682 has 24 divisors (see below), whose sum is σ = 1562182596. Its totient is φ = 240158016.

The previous prime is 720740677. The next prime is 720740707. The reversal of 720740682 is 286047027.

720740682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 720439281 + 301401 = 26841^2 + 549^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58398 + ... + 69654.

Almost surely, 2^720740682 is an apocalyptic number.

720740682 is an abundant number, since it is smaller than the sum of its proper divisors (841441914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

720740682 is a wasteful number, since it uses less digits than its factorization.

720740682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14822 (or 14819 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 720740682 is about 26846.6139764403. The cubic root of 720740682 is about 896.5881861879.

The spelling of 720740682 in words is "seven hundred twenty million, seven hundred forty thousand, six hundred eighty-two".