720563683 has 16 divisors (see below), whose sum is σ = 872653824. Its totient is φ = 580821120.

The previous prime is 720563651. The next prime is 720563687. The reversal of 720563683 is 386365027.

It is a cyclic number.

It is not a de Polignac number, because 720563683 - 2⁵ = 720563651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (720563687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268438 + ... + 271108.

It is an arithmetic number, because the mean of its divisors is an integer number (54540864).

Almost surely, 2^720563683 is an apocalyptic number.

720563683 is a deficient number, since it is larger than the sum of its proper divisors (152090141).

720563683 is a wasteful number, since it uses less digits than its factorization.

720563683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 720563683 is about 26843.3172875485. The cubic root of 720563683 is about 896.5147856761.

The spelling of 720563683 in words is "seven hundred twenty million, five hundred sixty-three thousand, six hundred eighty-three".