16744744 has 16 divisors (see below), whose sum is σ = 31912020. Its totient is φ = 8234880.

The previous prime is 16744733. The next prime is 16744753. The reversal of 16744744 is 44744761.

16744744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14152644 + 2592100 = 3762^2 + 1610^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16669 + ... + 17644.

Almost surely, 2^16744744 is an apocalyptic number.

It is an amenable number.

16744744 is a deficient number, since it is larger than the sum of its proper divisors (15167276).

16744744 is a wasteful number, since it uses less digits than its factorization.

16744744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34380 (or 34376 counting only the distinct ones).

The product of its digits is 75264, while the sum is 37.

The square root of 16744744 is about 4092.0342129557. The cubic root of 16744744 is about 255.8347321970.

It can be divided in two parts, 16744 and 744, that multiplied together give a triangular number (12457536 = T₄₉₉₁).

The spelling of 16744744 in words is "sixteen million, seven hundred forty-four thousand, seven hundred forty-four".