16744625 has 16 divisors (see below), whose sum is σ = 21128016. Its totient is φ = 13248000.

The previous prime is 16744601. The next prime is 16744633. The reversal of 16744625 is 52644761.

It can be written as a sum of positive squares in 8 ways, for example, as 6195121 + 10549504 = 2489^2 + 3248^2 .

It is not a de Polignac number, because 16744625 - 2⁸ = 16744369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11435 + ... + 12815.

It is an arithmetic number, because the mean of its divisors is an integer number (1320501).

Almost surely, 2^16744625 is an apocalyptic number.

It is an amenable number.

16744625 is a deficient number, since it is larger than the sum of its proper divisors (4383391).

16744625 is an equidigital number, since it uses as much as digits as its factorization.

16744625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1483 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 16744625 is about 4092.0196724845. The cubic root of 16744625 is about 255.8341261480.

The spelling of 16744625 in words is "sixteen million, seven hundred forty-four thousand, six hundred twenty-five".