1716431872 has 44 divisors (see below), whose sum is σ = 3514961016. Its totient is φ = 837263360.

The previous prime is 1716431867. The next prime is 1716431897. The reversal of 1716431872 is 2781346171.

It is a happy number.

It is a super-2 number, since 2×1716431872² = 5892276742434848768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21543 + ... + 62425.

Almost surely, 2^1716431872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1716431872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1757480508).

1716431872 is an abundant number, since it is smaller than the sum of its proper divisors (1798529144).

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

1716431872 is an equidigital number, since it uses as much as digits as its factorization.

1716431872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40944 (or 40926 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 1716431872 is about 41429.8427706406. The cubic root of 1716431872 is about 1197.3161947251.

The spelling of 1716431872 in words is "one billion, seven hundred sixteen million, four hundred thirty-one thousand, eight hundred seventy-two".