717670422 has 64 divisors (see below), whose sum is σ = 1840450560. Its totient is φ = 203046912.

The previous prime is 717670417. The next prime is 717670423. The reversal of 717670422 is 224076717.

It is a happy number.

It is a super-2 number, since 2×717670422² = 1030101669227316168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (717670423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29718 + ... + 48150.

It is an arithmetic number, because the mean of its divisors is an integer number (28757040).

Almost surely, 2^717670422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 717670422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920225280).

717670422 is an abundant number, since it is smaller than the sum of its proper divisors (1122780138).

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

717670422 is a wasteful number, since it uses less digits than its factorization.

717670422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18554 (or 18548 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 717670422 is about 26789.3714371950. The cubic root of 717670422 is about 895.3132584243.

The spelling of 717670422 in words is "seven hundred seventeen million, six hundred seventy thousand, four hundred twenty-two".