1726323980 has 12 divisors (see below), whose sum is σ = 3625280400. Its totient is φ = 690529584.

The previous prime is 1726323947. The next prime is 1726324027. The reversal of 1726323980 is 893236271.

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, 43158080 + ... + 43158119.

It is an arithmetic number, because the mean of its divisors is an integer number (302106700).

Almost surely, 2^1726323980 is an apocalyptic number.

1726323980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1726323980 is an abundant number, since it is smaller than the sum of its proper divisors (1898956420).

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

1726323980 is a wasteful number, since it uses less digits than its factorization.

1726323980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86316208 (or 86316206 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1726323980 is about 41549.0551035761. The cubic root of 1726323980 is about 1199.6119069074.

The spelling of 1726323980 in words is "one billion, seven hundred twenty-six million, three hundred twenty-three thousand, nine hundred eighty".