16727345 has 8 divisors (see below), whose sum is σ = 20765160. Its totient is φ = 12920320.

The previous prime is 16727339. The next prime is 16727351. The reversal of 16727345 is 54372761.

It is an interprime number because it is at equal distance from previous prime (16727339) and next prime (16727351).

It can be written as a sum of positive squares in 4 ways, for example, as 4734976 + 11992369 = 2176^2 + 3463^2 .

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

It is not a de Polignac number, because 16727345 - 2¹⁶ = 16661809 is a prime.

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, 57536 + ... + 57825.

It is an arithmetic number, because the mean of its divisors is an integer number (2595645).

Almost surely, 2^16727345 is an apocalyptic number.

It is an amenable number.

16727345 is a deficient number, since it is larger than the sum of its proper divisors (4037815).

16727345 is a wasteful number, since it uses less digits than its factorization.

16727345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115395.

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

The square root of 16727345 is about 4089.9077006700. The cubic root of 16727345 is about 255.7460912255.

The spelling of 16727345 in words is "sixteen million, seven hundred twenty-seven thousand, three hundred forty-five".