16777472 has 18 divisors (see below), whose sum is σ = 33489918. Its totient is φ = 8388608.

The previous prime is 16777469. The next prime is 16777499. The reversal of 16777472 is 27477761.

It can be written as a sum of positive squares in only one way, i.e., 16777216 + 256 = 4096^2 + 16^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

In principle, a polygon with 16777472 sides can be constructed with ruler and compass.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32513 + ... + 33024.

It is an arithmetic number, because the mean of its divisors is an integer number (1860551).

Almost surely, 2^16777472 is an apocalyptic number.

It is an amenable number.

16777472 is a deficient number, since it is larger than the sum of its proper divisors (16712446).

16777472 is an frugal number, since it uses more digits than its factorization.

16777472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65553 (or 65539 counting only the distinct ones).

The product of its digits is 115248, while the sum is 41.

The square root of 16777472 is about 4096.0312498808. The cubic root of 16777472 is about 256.0013020767.

The spelling of 16777472 in words is "sixteen million, seven hundred seventy-seven thousand, four hundred seventy-two".