16872035 has 4 divisors (see below), whose sum is σ = 20246448. Its totient is φ = 13497624.

The previous prime is 16872017. The next prime is 16872047. The reversal of 16872035 is 53027861.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16872035 - 2⁶ = 16871971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16871992 and 16872010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687199 + ... + 1687208.

It is an arithmetic number, because the mean of its divisors is an integer number (5061612).

Almost surely, 2^16872035 is an apocalyptic number.

16872035 is a deficient number, since it is larger than the sum of its proper divisors (3374413).

16872035 is an equidigital number, since it uses as much as digits as its factorization.

16872035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374412.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 16872035 is about 4107.5582771277. The cubic root of 16872035 is about 256.4813686662.

Adding to 16872035 its reverse (53027861), we get a palindrome (69899896).

The spelling of 16872035 in words is "sixteen million, eight hundred seventy-two thousand, thirty-five".