16740745 has 16 divisors (see below), whose sum is σ = 23200128. Its totient is φ = 11358720.

The previous prime is 16740727. The next prime is 16740749. The reversal of 16740745 is 54704761.

It is a happy number.

It is not a de Polignac number, because 16740745 - 2⁹ = 16740233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16740745.

It is not an unprimeable number, because it can be changed into a prime (16740749) 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, 930 + ... + 5860.

It is an arithmetic number, because the mean of its divisors is an integer number (1450008).

Almost surely, 2^16740745 is an apocalyptic number.

It is an amenable number.

16740745 is a deficient number, since it is larger than the sum of its proper divisors (6459383).

16740745 is an equidigital number, since it uses as much as digits as its factorization.

16740745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 16740745 is about 4091.5455515001. The cubic root of 16740745 is about 255.8143643222.

The spelling of 16740745 in words is "sixteen million, seven hundred forty thousand, seven hundred forty-five".