813679074 has 32 divisors (see below), whose sum is σ = 1947267840. Its totient is φ = 250362576.

The previous prime is 813679063. The next prime is 813679079. The reversal of 813679074 is 470976318.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (813679079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578842 + ... + 580245.

It is an arithmetic number, because the mean of its divisors is an integer number (60852120).

Almost surely, 2^813679074 is an apocalyptic number.

813679074 is an abundant number, since it is smaller than the sum of its proper divisors (1133588766).

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

813679074 is a wasteful number, since it uses less digits than its factorization.

813679074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159111 (or 1159105 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 813679074 is about 28525.0604556765. The cubic root of 813679074 is about 933.5789461024.

The spelling of 813679074 in words is "eight hundred thirteen million, six hundred seventy-nine thousand, seventy-four".