16745443 has 8 divisors (see below), whose sum is σ = 19673136. Its totient is φ = 14052000.

The previous prime is 16745437. The next prime is 16745453. The reversal of 16745443 is 34454761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16745443 is a prime.

It is a super-2 number, since 2×16745443² = 560819722532498, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 16745399 and 16745408.

It is not an unprimeable number, because it can be changed into a prime (16745453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58408 + ... + 58693.

It is an arithmetic number, because the mean of its divisors is an integer number (2459142).

Almost surely, 2^16745443 is an apocalyptic number.

16745443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16745443 is a deficient number, since it is larger than the sum of its proper divisors (2927693).

16745443 is a wasteful number, since it uses less digits than its factorization.

16745443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117125.

The product of its digits is 40320, while the sum is 34.

The square root of 16745443 is about 4092.1196219075. The cubic root of 16745443 is about 255.8382920402.

It can be divided in two parts, 1674 and 5443, that added together give a palindrome (7117).

The spelling of 16745443 in words is "sixteen million, seven hundred forty-five thousand, four hundred forty-three".