617216706 has 64 divisors (see below), whose sum is σ = 1415232000. Its totient is φ = 199267200.

The previous prime is 617216701. The next prime is 617216741. The reversal of 617216706 is 607612716.

617216706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (617216701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328951 + ... + 330821.

It is an arithmetic number, because the mean of its divisors is an integer number (22113000).

Almost surely, 2^617216706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 617216706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707616000).

617216706 is an abundant number, since it is smaller than the sum of its proper divisors (798015294).

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

617216706 is a wasteful number, since it uses less digits than its factorization.

617216706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072 (or 2066 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 617216706 is about 24843.8464413222. The cubic root of 617216706 is about 851.4240056483.

The spelling of 617216706 in words is "six hundred seventeen million, two hundred sixteen thousand, seven hundred six".