16749047 has 12 divisors (see below), whose sum is σ = 19450800. Its totient is φ = 14128128.

The previous prime is 16749017. The next prime is 16749053. The reversal of 16749047 is 74094761.

It is not a de Polignac number, because 16749047 - 2⁶ = 16748983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16749047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16749017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37079 + ... + 37527.

It is an arithmetic number, because the mean of its divisors is an integer number (1620900).

Almost surely, 2^16749047 is an apocalyptic number.

16749047 is a deficient number, since it is larger than the sum of its proper divisors (2701753).

16749047 is an frugal number, since it uses more digits than its factorization.

16749047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 16749047 is about 4092.5599567997. The cubic root of 16749047 is about 255.8566447957.

The spelling of 16749047 in words is "sixteen million, seven hundred forty-nine thousand, forty-seven".