716640210 has 320 divisors, whose sum is σ = 2371057920. Its totient is φ = 152824320.

The previous prime is 716640209. The next prime is 716640289. The reversal of 716640210 is 12046617.

716640210 is a `hidden beast` number, since 7 + 1 + 6 + 640 + 2 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 159 ways as a sum of consecutive naturals, for example, 2663956 + ... + 2664224.

It is an arithmetic number, because the mean of its divisors is an integer number (7409556).

Almost surely, 2^716640210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 716640210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1185528960).

716640210 is an abundant number, since it is smaller than the sum of its proper divisors (1654417710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

716640210 is a wasteful number, since it uses less digits than its factorization.

716640210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 716640210 is about 26770.1365330848. The cubic root of 716640210 is about 894.8846474931.

Adding to 716640210 its reverse (12046617), we get a palindrome (728686827).

The spelling of 716640210 in words is "seven hundred sixteen million, six hundred forty thousand, two hundred ten".