16940674 has 8 divisors (see below), whose sum is σ = 25498620. Its totient is φ = 8441136.

The previous prime is 16940639. The next prime is 16940689. The reversal of 16940674 is 47604961.

It can be written as a sum of positive squares in 2 ways, for example, as 10725625 + 6215049 = 3275^2 + 2493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13869 + ... + 15040.

Almost surely, 2^16940674 is an apocalyptic number.

16940674 is a deficient number, since it is larger than the sum of its proper divisors (8557946).

16940674 is a wasteful number, since it uses less digits than its factorization.

16940674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29204.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 16940674 is about 4115.9050037628. The cubic root of 16940674 is about 256.8287048622.

The spelling of 16940674 in words is "sixteen million, nine hundred forty thousand, six hundred seventy-four".