720682124825 has 12 divisors (see below), whose sum is σ = 962387822508. Its totient is φ = 532196030400.

The previous prime is 720682124809. The next prime is 720682124863. The reversal of 720682124825 is 528421286027.

It can be written as a sum of positive squares in 6 ways, for example, as 64944954649 + 655737170176 = 254843^2 + 809776^2 .

It is not a de Polignac number, because 720682124825 - 2⁴ = 720682124809 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 720682124825.

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, 1108741406 + ... + 1108742055.

It is an arithmetic number, because the mean of its divisors is an integer number (80198985209).

Almost surely, 2^720682124825 is an apocalyptic number.

It is an amenable number.

720682124825 is a deficient number, since it is larger than the sum of its proper divisors (241705697683).

720682124825 is a wasteful number, since it uses less digits than its factorization.

720682124825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217483484 (or 2217483479 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 720682124825 in words is "seven hundred twenty billion, six hundred eighty-two million, one hundred twenty-four thousand, eight hundred twenty-five".