16705272 has 16 divisors (see below), whose sum is σ = 41763240. Its totient is φ = 5568416.

The previous prime is 16705219. The next prime is 16705279. The reversal of 16705272 is 27250761.

It is a super-2 number, since 2×16705272² = 558132225187968, which contains 22 as substring.

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 (16705279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348003 + ... + 348050.

Almost surely, 2^16705272 is an apocalyptic number.

16705272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16705272 is an abundant number, since it is smaller than the sum of its proper divisors (25057968).

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

16705272 is a wasteful number, since it uses less digits than its factorization.

16705272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696062 (or 696058 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 16705272 is about 4087.2083382182. The cubic root of 16705272 is about 255.6335495892.

The spelling of 16705272 in words is "sixteen million, seven hundred five thousand, two hundred seventy-two".