16745442 has 64 divisors (see below), whose sum is σ = 41472000. Its totient is φ = 4398336.

The previous prime is 16745437. The next prime is 16745453. The reversal of 16745442 is 24454761.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33309 + ... + 33807.

It is an arithmetic number, because the mean of its divisors is an integer number (648000).

Almost surely, 2^16745442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16745442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20736000).

16745442 is an abundant number, since it is smaller than the sum of its proper divisors (24726558).

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

16745442 is a wasteful number, since it uses less digits than its factorization.

16745442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575.

The product of its digits is 26880, while the sum is 33.

The square root of 16745442 is about 4092.1194997214. The cubic root of 16745442 is about 255.8382869475.

The spelling of 16745442 in words is "sixteen million, seven hundred forty-five thousand, four hundred forty-two".