1717123968 has 128 divisors (see below), whose sum is σ = 5791968000. Its totient is φ = 490599936.

The previous prime is 1717123937. The next prime is 1717124029. The reversal of 1717123968 is 8693217171.

It is a tau number, because it is divible by the number of its divisors (128).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11298 + ... + 59681.

It is an arithmetic number, because the mean of its divisors is an integer number (45249750).

Almost surely, 2^1717123968 is an apocalyptic number.

1717123968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1717123968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2895984000).

1717123968 is an abundant number, since it is smaller than the sum of its proper divisors (4074844032).

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

1717123968 is an equidigital number, since it uses as much as digits as its factorization.

1717123968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71009 (or 70991 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 1717123968 is about 41438.1945552651. The cubic root of 1717123968 is about 1197.4770995282.

The spelling of 1717123968 in words is "one billion, seven hundred seventeen million, one hundred twenty-three thousand, nine hundred sixty-eight".