16729044 has 48 divisors (see below), whose sum is σ = 41395200. Its totient is φ = 5243616.

The previous prime is 16729033. The next prime is 16729049. The reversal of 16729044 is 44092761.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16728996 and 16729014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16729049) 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, 54339 + ... + 54645.

It is an arithmetic number, because the mean of its divisors is an integer number (862400).

Almost surely, 2^16729044 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 16729044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20697600).

16729044 is an abundant number, since it is smaller than the sum of its proper divisors (24666156).

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

16729044 is a wasteful number, since it uses less digits than its factorization.

16729044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 16729044 is about 4090.1154017949. The cubic root of 16729044 is about 255.7547496607.

The spelling of 16729044 in words is "sixteen million, seven hundred twenty-nine thousand, forty-four".