816673075 has 12 divisors (see below), whose sum is σ = 1056704688. Its totient is φ = 624932000.

The previous prime is 816673069. The next prime is 816673087. The reversal of 816673075 is 570376618.

816673075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 816673075 - 2⁵ = 816673043 is a prime.

It is a super-2 number, since 2×816673075² = 1333909822859911250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 709576 + ... + 710725.

It is an arithmetic number, because the mean of its divisors is an integer number (88058724).

Almost surely, 2^816673075 is an apocalyptic number.

816673075 is a deficient number, since it is larger than the sum of its proper divisors (240031613).

816673075 is a wasteful number, since it uses less digits than its factorization.

816673075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420334 (or 1420329 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 816673075 is about 28577.4924547274. The cubic root of 816673075 is about 934.7226054250.

The spelling of 816673075 in words is "eight hundred sixteen million, six hundred seventy-three thousand, seventy-five".