720516079 has 8 divisors (see below), whose sum is σ = 746148672. Its totient is φ = 695329440.

The previous prime is 720516073. The next prime is 720516149. The reversal of 720516079 is 970615027.

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

It is a cyclic number.

It is not a de Polignac number, because 720516079 - 2¹⁹ = 719991791 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 (720516073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108199 + ... + 114664.

It is an arithmetic number, because the mean of its divisors is an integer number (93268584).

Almost surely, 2^720516079 is an apocalyptic number.

720516079 is a deficient number, since it is larger than the sum of its proper divisors (25632593).

720516079 is a wasteful number, since it uses less digits than its factorization.

720516079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222977.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 720516079 is about 26842.4305717645. The cubic root of 720516079 is about 896.4950425080.

The spelling of 720516079 in words is "seven hundred twenty million, five hundred sixteen thousand, seventy-nine".