816207074 has 8 divisors (see below), whose sum is σ = 1238067180. Its totient is φ = 403518016.

The previous prime is 816207053. The next prime is 816207083. The reversal of 816207074 is 470702618.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 804006025 + 12201049 = 28355^2 + 3493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2292539 + ... + 2292894.

Almost surely, 2^816207074 is an apocalyptic number.

816207074 is a deficient number, since it is larger than the sum of its proper divisors (421860106).

816207074 is a wasteful number, since it uses less digits than its factorization.

816207074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585524.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 816207074 is about 28569.3380042310. The cubic root of 816207074 is about 934.5447845574.

The spelling of 816207074 in words is "eight hundred sixteen million, two hundred seven thousand, seventy-four".