16745472 has 132 divisors (see below), whose sum is σ = 51093120. Its totient is φ = 5271552.

The previous prime is 16745471. The next prime is 16745483. The reversal of 16745472 is 27454761.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16745471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211929 + ... + 212007.

Almost surely, 2^16745472 is an apocalyptic number.

16745472 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 16745472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25546560).

16745472 is an abundant number, since it is smaller than the sum of its proper divisors (34347648).

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

16745472 is a wasteful number, since it uses less digits than its factorization.

16745472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 107 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 16745472 is about 4092.1231653018. The cubic root of 16745472 is about 255.8384397283.

The spelling of 16745472 in words is "sixteen million, seven hundred forty-five thousand, four hundred seventy-two".