720608011 has 4 divisors (see below), whose sum is σ = 720671472. Its totient is φ = 720544552.

The previous prime is 720607999. The next prime is 720608027. The reversal of 720608011 is 110806027.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 720608011 - 2¹⁹ = 720083723 is a prime.

It is a super-2 number, since 2×720608011² = 1038551811034752242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720608071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9511 + ... + 39136.

It is an arithmetic number, because the mean of its divisors is an integer number (180167868).

Almost surely, 2^720608011 is an apocalyptic number.

720608011 is a deficient number, since it is larger than the sum of its proper divisors (63461).

720608011 is a wasteful number, since it uses less digits than its factorization.

720608011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63460.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 720608011 is about 26844.1429552146. The cubic root of 720608011 is about 896.5331693820.

The spelling of 720608011 in words is "seven hundred twenty million, six hundred eight thousand, eleven".