716640005 has 8 divisors (see below), whose sum is σ = 905229600. Its totient is φ = 543137616.

The previous prime is 716639993. The next prime is 716640079. The reversal of 716640005 is 500046617.

716640005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 716640005 - 2¹⁸ = 716377861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 716640005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3771695 + ... + 3771884.

It is an arithmetic number, because the mean of its divisors is an integer number (113153700).

Almost surely, 2^716640005 is an apocalyptic number.

It is an amenable number.

716640005 is a deficient number, since it is larger than the sum of its proper divisors (188589595).

716640005 is a wasteful number, since it uses less digits than its factorization.

716640005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543603.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 716640005 is about 26770.1327041911. The cubic root of 716640005 is about 894.8845621637.

The spelling of 716640005 in words is "seven hundred sixteen million, six hundred forty thousand, five".