1723072 has 56 divisors (see below), whose sum is σ = 3911600. Its totient is φ = 746496.

The previous prime is 1723063. The next prime is 1723109. The reversal of 1723072 is 2703271.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15754 + ... + 15862.

It is an arithmetic number, because the mean of its divisors is an integer number (69850).

2^1723072 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 1723072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1955800).

1723072 is an abundant number, since it is smaller than the sum of its proper divisors (2188528).

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

1723072 is a wasteful number, since it uses less digits than its factorization.

1723072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 1723072 is about 1312.6583713975. The cubic root of 1723072 is about 119.8858173130.

The spelling of 1723072 in words is "one million, seven hundred twenty-three thousand, seventy-two".