2917220670 has 320 divisors, whose sum is σ = 10167252480. Its totient is φ = 582826752.

The previous prime is 2917220659. The next prime is 2917220687. The reversal of 2917220670 is 760227192.

2917220670 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1399449 + ... + 1401531.

It is an arithmetic number, because the mean of its divisors is an integer number (31772664).

Almost surely, 2^2917220670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2917220670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5083626240).

2917220670 is an abundant number, since it is smaller than the sum of its proper divisors (7250031810).

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

2917220670 is a wasteful number, since it uses less digits than its factorization.

2917220670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2132 counting only the distinct ones).

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

The square root of 2917220670 is about 54011.3013174095. The cubic root of 2917220670 is about 1428.8602700764.

The spelling of 2917220670 in words is "two billion, nine hundred seventeen million, two hundred twenty thousand, six hundred seventy".