16734825 has 18 divisors (see below), whose sum is σ = 29974334. Its totient is φ = 8925120.

The previous prime is 16734821. The next prime is 16734853. The reversal of 16734825 is 52843761.

It can be written as a sum of positive squares in 3 ways, for example, as 112896 + 16621929 = 336^2 + 4077^2 .

It is not a de Polignac number, because 16734825 - 2² = 16734821 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16734825.

It is not an unprimeable number, because it can be changed into a prime (16734821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 36964 + ... + 37413.

Almost surely, 2^16734825 is an apocalyptic number.

16734825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16734825 is a deficient number, since it is larger than the sum of its proper divisors (13239509).

16734825 is a wasteful number, since it uses less digits than its factorization.

16734825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74393 (or 74385 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 16734825 is about 4090.8220445285. The cubic root of 16734825 is about 255.7842063735.

The spelling of 16734825 in words is "sixteen million, seven hundred thirty-four thousand, eight hundred twenty-five".