16789474 has 16 divisors (see below), whose sum is σ = 27289080. Its totient is φ = 7746960.

The previous prime is 16789417. The next prime is 16789501. The reversal of 16789474 is 47498761.

It can be written as a sum of positive squares in 4 ways, for example, as 2913849 + 13875625 = 1707^2 + 3725^2 .

It is an alternating number because its digits alternate between odd and even.

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, 2484 + ... + 6304.

Almost surely, 2^16789474 is an apocalyptic number.

16789474 is a deficient number, since it is larger than the sum of its proper divisors (10499606).

16789474 is an equidigital number, since it uses as much as digits as its factorization.

16789474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862 (or 3836 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 16789474 is about 4097.4960646717. The cubic root of 16789474 is about 256.0623322339.

The spelling of 16789474 in words is "sixteen million, seven hundred eighty-nine thousand, four hundred seventy-four".