16949272 has 24 divisors (see below), whose sum is σ = 33763860. Its totient is φ = 7975040.

The previous prime is 16949269. The next prime is 16949279. The reversal of 16949272 is 27294961.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16949279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1354 + ... + 5977.

Almost surely, 2^16949272 is an apocalyptic number.

It is an amenable number.

16949272 is a deficient number, since it is larger than the sum of its proper divisors (16814588).

16949272 is a wasteful number, since it uses less digits than its factorization.

16949272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7371 (or 7350 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 16949272 is about 4116.9493560159. The cubic root of 16949272 is about 256.8721474416.

The spelling of 16949272 in words is "sixteen million, nine hundred forty-nine thousand, two hundred seventy-two".