813730347 has 32 divisors (see below), whose sum is σ = 1343635200. Its totient is φ = 483698304.

The previous prime is 813730339. The next prime is 813730391. The reversal of 813730347 is 743037318.

It is not a de Polignac number, because 813730347 - 2³ = 813730339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (813730327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37933 + ... + 55374.

It is an arithmetic number, because the mean of its divisors is an integer number (41988600).

Almost surely, 2^813730347 is an apocalyptic number.

813730347 is a deficient number, since it is larger than the sum of its proper divisors (529904853).

813730347 is a wasteful number, since it uses less digits than its factorization.

813730347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93352 (or 93346 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 813730347 is about 28525.9591775632. The cubic root of 813730347 is about 933.5985551388.

The spelling of 813730347 in words is "eight hundred thirteen million, seven hundred thirty thousand, three hundred forty-seven".