16740705 has 16 divisors (see below), whose sum is σ = 26866944. Its totient is φ = 8901120.

The previous prime is 16740701. The next prime is 16740709. The reversal of 16740705 is 50704761.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16740701) and next prime (16740709).

It is not a de Polignac number, because 16740705 - 2² = 16740701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16740701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3985 + ... + 7025.

It is an arithmetic number, because the mean of its divisors is an integer number (1679184).

Almost surely, 2^16740705 is an apocalyptic number.

16740705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16740705 is a deficient number, since it is larger than the sum of its proper divisors (10126239).

16740705 is a wasteful number, since it uses less digits than its factorization.

16740705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 16740705 is about 4091.5406633688. The cubic root of 16740705 is about 255.8141605761.

The spelling of 16740705 in words is "sixteen million, seven hundred forty thousand, seven hundred five".