720378725 has 12 divisors (see below), whose sum is σ = 974476320. Its totient is φ = 523911600.

The previous prime is 720378629. The next prime is 720378767. The reversal of 720378725 is 527873027.

720378725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 720378725 - 2¹⁴ = 720362341 is a prime.

It is a congruent number.

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, 1309505 + ... + 1310054.

It is an arithmetic number, because the mean of its divisors is an integer number (81206360).

Almost surely, 2^720378725 is an apocalyptic number.

It is an amenable number.

720378725 is a deficient number, since it is larger than the sum of its proper divisors (254097595).

720378725 is a wasteful number, since it uses less digits than its factorization.

720378725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619580 (or 2619575 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 720378725 is about 26839.8719259239. The cubic root of 720378725 is about 896.4380717667.

The spelling of 720378725 in words is "seven hundred twenty million, three hundred seventy-eight thousand, seven hundred twenty-five".