16743725 has 12 divisors (see below), whose sum is σ = 21984084. Its totient is φ = 12606720.

The previous prime is 16743719. The next prime is 16743733. The reversal of 16743725 is 52734761.

It can be written as a sum of positive squares in 6 ways, for example, as 252004 + 16491721 = 502^2 + 4061^2 .

It is not a de Polignac number, because 16743725 - 2⁴ = 16743709 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 19274 + ... + 20123.

It is an arithmetic number, because the mean of its divisors is an integer number (1832007).

Almost surely, 2^16743725 is an apocalyptic number.

It is an amenable number.

16743725 is a deficient number, since it is larger than the sum of its proper divisors (5240359).

16743725 is a wasteful number, since it uses less digits than its factorization.

16743725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39424 (or 39419 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 16743725 is about 4091.9097008610. The cubic root of 16743725 is about 255.8295424913.

The spelling of 16743725 in words is "sixteen million, seven hundred forty-three thousand, seven hundred twenty-five".