16742272 has 32 divisors (see below), whose sum is σ = 33629400. Its totient is φ = 8302080.

The previous prime is 16742237. The next prime is 16742273. The reversal of 16742272 is 27224761.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16742273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17322 + ... + 18262.

Almost surely, 2^16742272 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 16742272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16814700).

16742272 is an abundant number, since it is smaller than the sum of its proper divisors (16887128).

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

16742272 is an equidigital number, since it uses as much as digits as its factorization.

16742272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094 (or 1082 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 16742272 is about 4091.7321515466. The cubic root of 16742272 is about 255.8221420855.

The spelling of 16742272 in words is "sixteen million, seven hundred forty-two thousand, two hundred seventy-two".