813712473 has 72 divisors (see below), whose sum is σ = 1457007552. Its totient is φ = 452166624.

The previous prime is 813712441. The next prime is 813712499. The reversal of 813712473 is 374217318.

It is not a de Polignac number, because 813712473 - 2⁵ = 813712441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (813712573) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 439636 + ... + 441482.

It is an arithmetic number, because the mean of its divisors is an integer number (20236216).

Almost surely, 2^813712473 is an apocalyptic number.

It is an amenable number.

813712473 is a deficient number, since it is larger than the sum of its proper divisors (643295079).

813712473 is a wasteful number, since it uses less digits than its factorization.

813712473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1894 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 813712473 is about 28525.6458822583. The cubic root of 813712473 is about 933.5917194334.

The spelling of 813712473 in words is "eight hundred thirteen million, seven hundred twelve thousand, four hundred seventy-three".