720727417721252 has 12 divisors (see below), whose sum is σ = 1282650489165360. Its totient is φ = 354255849388296.

The previous prime is 720727417721191. The next prime is 720727417721273. The reversal of 720727417721252 is 252127714727027.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526964867818 + ... + 1526964868289.

It is an arithmetic number, because the mean of its divisors is an integer number (106887540763780).

Almost surely, 2^{720727417721252} is an apocalyptic number.

It is an amenable number.

720727417721252 is a deficient number, since it is larger than the sum of its proper divisors (561923071444108).

720727417721252 is a wasteful number, since it uses less digits than its factorization.

720727417721252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053929736170 (or 3053929736168 counting only the distinct ones).

The product of its (nonzero) digits is 10756480, while the sum is 56.

The spelling of 720727417721252 in words is "seven hundred twenty trillion, seven hundred twenty-seven billion, four hundred seventeen million, seven hundred twenty-one thousand, two hundred fifty-two".