720065311 has 8 divisors (see below), whose sum is σ = 871339680. Its totient is φ = 580892928.

The previous prime is 720065309. The next prime is 720065321. The reversal of 720065311 is 113560027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 720065311 - 2¹ = 720065309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720065321) 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, 3025366 + ... + 3025603.

It is an arithmetic number, because the mean of its divisors is an integer number (108917460).

Almost surely, 2^720065311 is an apocalyptic number.

720065311 is a deficient number, since it is larger than the sum of its proper divisors (151274369).

720065311 is a wasteful number, since it uses less digits than its factorization.

720065311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050993.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 720065311 is about 26834.0327010310. The cubic root of 720065311 is about 896.3080489574.

The spelling of 720065311 in words is "seven hundred twenty million, sixty-five thousand, three hundred eleven".