16749625 has 16 divisors (see below), whose sum is σ = 21355776. Its totient is φ = 13110000.

The previous prime is 16749611. The next prime is 16749637. The reversal of 16749625 is 52694761.

It is not a de Polignac number, because 16749625 - 2¹³ = 16741433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4450 + ... + 7300.

It is an arithmetic number, because the mean of its divisors is an integer number (1334736).

Almost surely, 2^16749625 is an apocalyptic number.

It is an amenable number.

16749625 is a deficient number, since it is larger than the sum of its proper divisors (4606151).

16749625 is an equidigital number, since it uses as much as digits as its factorization.

16749625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913 (or 2903 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 16749625 is about 4092.6305721382. The cubic root of 16749625 is about 255.8595879172.

The spelling of 16749625 in words is "sixteen million, seven hundred forty-nine thousand, six hundred twenty-five".