720096081 has 16 divisors (see below), whose sum is σ = 1017878400. Its totient is φ = 451259648.

The previous prime is 720096073. The next prime is 720096137. The reversal of 720096081 is 180690027.

It is a cyclic number.

It is not a de Polignac number, because 720096081 - 2³ = 720096073 is a prime.

It is a super-2 number, since 2×720096081² = 1037076731743117122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (720046081) 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 15 ways as a sum of consecutive naturals, for example, 34375 + ... + 51203.

It is an arithmetic number, because the mean of its divisors is an integer number (63617400).

Almost surely, 2^720096081 is an apocalyptic number.

It is an amenable number.

720096081 is a deficient number, since it is larger than the sum of its proper divisors (297782319).

720096081 is a wasteful number, since it uses less digits than its factorization.

720096081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17688.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 720096081 is about 26834.6060340002. The cubic root of 720096081 is about 896.3208158575.

The spelling of 720096081 in words is "seven hundred twenty million, ninety-six thousand, eighty-one".