16723572 has 48 divisors (see below), whose sum is σ = 42100800. Its totient is φ = 5149440.

The previous prime is 16723571. The next prime is 16723573. The reversal of 16723572 is 27532761.

It is an interprime number because it is at equal distance from previous prime (16723571) and next prime (16723573).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16723571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8454 + ... + 10242.

It is an arithmetic number, because the mean of its divisors is an integer number (877100).

Almost surely, 2^16723572 is an apocalyptic number.

16723572 is a gapful number since it is divisible by the number (12) 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 16723572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21050400).

16723572 is an abundant number, since it is smaller than the sum of its proper divisors (25377228).

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

16723572 is a wasteful number, since it uses less digits than its factorization.

16723572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856 (or 1854 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 16723572 is about 4089.4464173039. The cubic root of 16723572 is about 255.7268611851.

The spelling of 16723572 in words is "sixteen million, seven hundred twenty-three thousand, five hundred seventy-two".