16740539 has 8 divisors (see below), whose sum is σ = 18098640. Its totient is φ = 15430176.

The previous prime is 16740517. The next prime is 16740599. The reversal of 16740539 is 93504761.

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 16740539 - 2¹⁶ = 16675003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16740499 and 16740508.

It is not an unprimeable number, because it can be changed into a prime (16740599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11204 + ... + 12609.

It is an arithmetic number, because the mean of its divisors is an integer number (2262330).

Almost surely, 2^16740539 is an apocalyptic number.

16740539 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16740539 is a deficient number, since it is larger than the sum of its proper divisors (1358101).

16740539 is a wasteful number, since it uses less digits than its factorization.

16740539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23869.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 16740539 is about 4091.5203775614. The cubic root of 16740539 is about 255.8133150265.

The spelling of 16740539 in words is "sixteen million, seven hundred forty thousand, five hundred thirty-nine".