16706725 has 12 divisors (see below), whose sum is σ = 23676064. Its totient is φ = 11455920.

The previous prime is 16706693. The next prime is 16706731. The reversal of 16706725 is 52760761.

It is not a de Polignac number, because 16706725 - 2⁵ = 16706693 is a prime.

It is a super-2 number, since 2×16706725² = 558229320451250, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47559 + ... + 47908.

Almost surely, 2^16706725 is an apocalyptic number.

It is an amenable number.

16706725 is a deficient number, since it is larger than the sum of its proper divisors (6969339).

16706725 is an equidigital number, since it uses as much as digits as its factorization.

16706725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95484 (or 95479 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 16706725 is about 4087.3860840395. The cubic root of 16706725 is about 255.6409609178.

The spelling of 16706725 in words is "sixteen million, seven hundred six thousand, seven hundred twenty-five".