1713172656 has 80 divisors (see below), whose sum is σ = 4772576480. Its totient is φ = 526417920.

The previous prime is 1713172649. The next prime is 1713172661. The reversal of 1713172656 is 6562713171.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 635760 + ... + 638448.

It is an arithmetic number, because the mean of its divisors is an integer number (59657206).

Almost surely, 2^1713172656 is an apocalyptic number.

1713172656 is a gapful number since it is divisible by the number (16) 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 1713172656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2386288240).

1713172656 is an abundant number, since it is smaller than the sum of its proper divisors (3059403824).

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

1713172656 is a wasteful number, since it uses less digits than its factorization.

1713172656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734 (or 3728 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 1713172656 is about 41390.4899222031. The cubic root of 1713172656 is about 1196.5578803954.

The spelling of 1713172656 in words is "one billion, seven hundred thirteen million, one hundred seventy-two thousand, six hundred fifty-six".