16470973 has 4 divisors (see below), whose sum is σ = 16554780. Its totient is φ = 16387168.

The previous prime is 16470959. The next prime is 16470989. The reversal of 16470973 is 37907461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11573604 + 4897369 = 3402^2 + 2213^2 .

It is a cyclic number.

It is not a de Polignac number, because 16470973 - 2⁵ = 16470941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16470913) 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, 41608 + ... + 42001.

It is an arithmetic number, because the mean of its divisors is an integer number (4138695).

Almost surely, 2^16470973 is an apocalyptic number.

It is an amenable number.

16470973 is a deficient number, since it is larger than the sum of its proper divisors (83807).

16470973 is an equidigital number, since it uses as much as digits as its factorization.

16470973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83806.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 16470973 is about 4058.4446528196. Note that the first 3 decimals coincide. The cubic root of 16470973 is about 254.4327928420.

The spelling of 16470973 in words is "sixteen million, four hundred seventy thousand, nine hundred seventy-three".