16708745 has 8 divisors (see below), whose sum is σ = 20228616. Its totient is φ = 13248256.

The previous prime is 16708687. The next prime is 16708759. The reversal of 16708745 is 54780761.

It can be written as a sum of positive squares in 4 ways, for example, as 732736 + 15976009 = 856^2 + 3997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16708745 - 2¹⁰ = 16707721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16708699 and 16708708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14222 + ... + 15351.

It is an arithmetic number, because the mean of its divisors is an integer number (2528577).

Almost surely, 2^16708745 is an apocalyptic number.

It is an amenable number.

16708745 is a deficient number, since it is larger than the sum of its proper divisors (3519871).

16708745 is a wasteful number, since it uses less digits than its factorization.

16708745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29691.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 16708745 is about 4087.6331782585. The cubic root of 16708745 is about 255.6512636338.

The spelling of 16708745 in words is "sixteen million, seven hundred eight thousand, seven hundred forty-five".