720963265 has 16 divisors (see below), whose sum is σ = 993481920. Its totient is φ = 496739520.

The previous prime is 720963263. The next prime is 720963301. The reversal of 720963265 is 562369027.

It is not a de Polignac number, because 720963265 - 2¹ = 720963263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (720963263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343914 + ... + 346003.

It is an arithmetic number, because the mean of its divisors is an integer number (62092620).

Almost surely, 2^720963265 is an apocalyptic number.

It is an amenable number.

720963265 is a deficient number, since it is larger than the sum of its proper divisors (272518655).

720963265 is a wasteful number, since it uses less digits than its factorization.

720963265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689952.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 720963265 is about 26850.7591140362. The cubic root of 720963265 is about 896.6804730780.

The spelling of 720963265 in words is "seven hundred twenty million, nine hundred sixty-three thousand, two hundred sixty-five".