813172674 has 8 divisors (see below), whose sum is σ = 1626345360. Its totient is φ = 271057556.

The previous prime is 813172667. The next prime is 813172729. The reversal of 813172674 is 476271318.

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

813172674 is an admirable number.

It is a super-2 number, since 2×813172674² = 1322499595480620552, which contains 22 as substring.

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, 67764384 + ... + 67764395.

It is an arithmetic number, because the mean of its divisors is an integer number (203293170).

Almost surely, 2^813172674 is an apocalyptic number.

813172674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813172674 is a wasteful number, since it uses less digits than its factorization.

813172674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135528784.

The product of its digits is 56448, while the sum is 39.

The square root of 813172674 is about 28516.1826687935. The cubic root of 813172674 is about 933.3852323465.

The spelling of 813172674 in words is "eight hundred thirteen million, one hundred seventy-two thousand, six hundred seventy-four".