720073065 has 8 divisors (see below), whose sum is σ = 1152116928. Its totient is φ = 384038960.

The previous prime is 720073061. The next prime is 720073073. The reversal of 720073065 is 560370027.

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

It is not a de Polignac number, because 720073065 - 2² = 720073061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (720073061) 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 7 ways as a sum of consecutive naturals, for example, 24002421 + ... + 24002450.

It is an arithmetic number, because the mean of its divisors is an integer number (144014616).

Almost surely, 2^720073065 is an apocalyptic number.

It is an amenable number.

720073065 is a deficient number, since it is larger than the sum of its proper divisors (432043863).

720073065 is a wasteful number, since it uses less digits than its factorization.

720073065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48004879.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 720073065 is about 26834.1771813484. The cubic root of 720073065 is about 896.3112662339.

The spelling of 720073065 in words is "seven hundred twenty million, seventy-three thousand, sixty-five".