16744990 has 16 divisors (see below), whose sum is σ = 30328848. Its totient is φ = 6656256.

The previous prime is 16744969. The next prime is 16744993. The reversal of 16744990 is 9944761.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16744993) 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, 3507 + ... + 6766.

It is an arithmetic number, because the mean of its divisors is an integer number (1895553).

Almost surely, 2^16744990 is an apocalyptic number.

16744990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16744990 is a deficient number, since it is larger than the sum of its proper divisors (13583858).

16744990 is a wasteful number, since it uses less digits than its factorization.

16744990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10443.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 16744990 is about 4092.0642712450. The cubic root of 16744990 is about 255.8359850286.

The spelling of 16744990 in words is "sixteen million, seven hundred forty-four thousand, nine hundred ninety".