16725917 has 8 divisors (see below), whose sum is σ = 18049920. Its totient is φ = 15407280.

The previous prime is 16725901. The next prime is 16725971. The reversal of 16725917 is 71952761.

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 16725917 - 2⁴ = 16725901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16725997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7184 + ... + 9222.

It is an arithmetic number, because the mean of its divisors is an integer number (2256240).

Almost surely, 2^16725917 is an apocalyptic number.

It is an amenable number.

16725917 is a deficient number, since it is larger than the sum of its proper divisors (1324003).

16725917 is a wasteful number, since it uses less digits than its factorization.

16725917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683.

The product of its digits is 26460, while the sum is 38.

The square root of 16725917 is about 4089.7331208772. The cubic root of 16725917 is about 255.7388134057.

The spelling of 16725917 in words is "sixteen million, seven hundred twenty-five thousand, nine hundred seventeen".