16774464 has 84 divisors (see below), whose sum is σ = 51657504. Its totient is φ = 4790016.

The previous prime is 16774463. The next prime is 16774481. The reversal of 16774464 is 46447761.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 4 and base 16.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16774463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8517 + ... + 10299.

Almost surely, 2^16774464 is an apocalyptic number.

16774464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16774464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25828752).

16774464 is an abundant number, since it is smaller than the sum of its proper divisors (34883040).

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

16774464 is a wasteful number, since it uses less digits than its factorization.

16774464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812 (or 1795 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 16774464 is about 4095.6640487227. The cubic root of 16774464 is about 255.9860018388.

The spelling of 16774464 in words is "sixteen million, seven hundred seventy-four thousand, four hundred sixty-four".