813716674 has 8 divisors (see below), whose sum is σ = 1221891660. Its totient is φ = 406419456.

The previous prime is 813716671. The next prime is 813716677. The reversal of 813716674 is 476617318.

It is an interprime number because it is at equal distance from previous prime (813716671) and next prime (813716677).

It can be written as a sum of positive squares in 2 ways, for example, as 498405625 + 315311049 = 22325^2 + 17757^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 813716674.

It is not an unprimeable number, because it can be changed into a prime (813716671) 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, 217119 + ... + 220834.

Almost surely, 2^813716674 is an apocalyptic number.

813716674 is a deficient number, since it is larger than the sum of its proper divisors (408174986).

813716674 is a wasteful number, since it uses less digits than its factorization.

813716674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438884.

The product of its digits is 169344, while the sum is 43.

The square root of 813716674 is about 28525.7195176563. The cubic root of 813716674 is about 933.5933260665.

The spelling of 813716674 in words is "eight hundred thirteen million, seven hundred sixteen thousand, six hundred seventy-four".