16974544 has 20 divisors (see below), whose sum is σ = 33340996. Its totient is φ = 8370432.

The previous prime is 16974539. The next prime is 16974547. The reversal of 16974544 is 44547961.

It can be written as a sum of positive squares in 2 ways, for example, as 9684544 + 7290000 = 3112^2 + 2700^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16974497 and 16974506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16974547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6099 + ... + 8434.

Almost surely, 2^16974544 is an apocalyptic number.

It is an amenable number.

16974544 is a deficient number, since it is larger than the sum of its proper divisors (16366452).

16974544 is a wasteful number, since it uses less digits than its factorization.

16974544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14614 (or 14608 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 16974544 is about 4120.0174756911. The cubic root of 16974544 is about 256.9997527086. Note that the first 3 decimals are identical.

It can be divided in two parts, 1697 and 4544, that added together give a square (6241 = 79²).

The spelling of 16974544 in words is "sixteen million, nine hundred seventy-four thousand, five hundred forty-four".