720720682 has 16 divisors (see below), whose sum is σ = 1188652032. Its totient is φ = 325019520.

The previous prime is 720720677. The next prime is 720720683. The reversal of 720720682 is 286027027.

It is not an unprimeable number, because it can be changed into a prime (720720683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126183 + ... + 131770.

It is an arithmetic number, because the mean of its divisors is an integer number (74290752).

Almost surely, 2^720720682 is an apocalyptic number.

720720682 is a deficient number, since it is larger than the sum of its proper divisors (467931350).

720720682 is a wasteful number, since it uses less digits than its factorization.

720720682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258093.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 720720682 is about 26846.2414874038. The cubic root of 720720682 is about 896.5798929002.

It can be divided in two parts, 7207 and 20682, that added together give a square (27889 = 167²).

The spelling of 720720682 in words is "seven hundred twenty million, seven hundred twenty thousand, six hundred eighty-two".