16975220 has 12 divisors (see below), whose sum is σ = 35648004. Its totient is φ = 6790080.

The previous prime is 16975213. The next prime is 16975223. The reversal of 16975220 is 2257961.

It can be written as a sum of positive squares in 2 ways, for example, as 9168784 + 7806436 = 3028^2 + 2794^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16975223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424361 + ... + 424400.

It is an arithmetic number, because the mean of its divisors is an integer number (2970667).

Almost surely, 2^16975220 is an apocalyptic number.

16975220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16975220 is an abundant number, since it is smaller than the sum of its proper divisors (18672784).

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

16975220 is a wasteful number, since it uses less digits than its factorization.

16975220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848770 (or 848768 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 16975220 is about 4120.0995133613. The cubic root of 16975220 is about 257.0031642784.

The spelling of 16975220 in words is "sixteen million, nine hundred seventy-five thousand, two hundred twenty".