16975433 has 4 divisors (see below), whose sum is σ = 16996740. Its totient is φ = 16954128.

The previous prime is 16975397. The next prime is 16975457. The reversal of 16975433 is 33457961.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33457961 = 1721 ⋅19441.

It can be written as a sum of positive squares in 2 ways, for example, as 11648569 + 5326864 = 3413^2 + 2308^2 .

It is a cyclic number.

It is not a de Polignac number, because 16975433 - 2⁶ = 16975369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16975733) 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, 9410 + ... + 11067.

It is an arithmetic number, because the mean of its divisors is an integer number (4249185).

Almost surely, 2^16975433 is an apocalyptic number.

It is an amenable number.

16975433 is a deficient number, since it is larger than the sum of its proper divisors (21307).

16975433 is an equidigital number, since it uses as much as digits as its factorization.

16975433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21306.

The product of its digits is 68040, while the sum is 38.

The square root of 16975433 is about 4120.1253621704. The cubic root of 16975433 is about 257.0042392070.

The spelling of 16975433 in words is "sixteen million, nine hundred seventy-five thousand, four hundred thirty-three".