1723921472 has 224 divisors, whose sum is σ = 4454956800. Its totient is φ = 643571712.

The previous prime is 1723921469. The next prime is 1723921477. The reversal of 1723921472 is 2741293271.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (1723921477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9964778 + ... + 9964950.

It is an arithmetic number, because the mean of its divisors is an integer number (19888200).

Almost surely, 2^1723921472 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 1723921472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2227478400).

1723921472 is an abundant number, since it is smaller than the sum of its proper divisors (2731035328).

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

1723921472 is a wasteful number, since it uses less digits than its factorization.

1723921472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 283 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 1723921472 is about 41520.1333331192. The cubic root of 1723921472 is about 1199.0551525443.

The spelling of 1723921472 in words is "one billion, seven hundred twenty-three million, nine hundred twenty-one thousand, four hundred seventy-two".