16740642 has 16 divisors (see below), whose sum is σ = 34937280. Its totient is φ = 5337552.

The previous prime is 16740641. The next prime is 16740667. The reversal of 16740642 is 24604761.

It is not an unprimeable number, because it can be changed into a prime (16740641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60517 + ... + 60792.

It is an arithmetic number, because the mean of its divisors is an integer number (2183580).

Almost surely, 2^16740642 is an apocalyptic number.

16740642 is an abundant number, since it is smaller than the sum of its proper divisors (18196638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16740642 is a wasteful number, since it uses less digits than its factorization.

16740642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121337.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 16740642 is about 4091.5329645501. The cubic root of 16740642 is about 255.8138396754.

The spelling of 16740642 in words is "sixteen million, seven hundred forty thousand, six hundred forty-two".