818032473 has 16 divisors (see below), whose sum is σ = 1240085440. Its totient is φ = 532671552.

The previous prime is 818032471. The next prime is 818032487. The reversal of 818032473 is 374230818.

818032473 is a `hidden beast` number, since 8 + 180 + 3 + 2 + 473 = 666.

It is not a de Polignac number, because 818032473 - 2¹ = 818032471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (818032471) 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, 351136 + ... + 353457.

It is an arithmetic number, because the mean of its divisors is an integer number (77505340).

Almost surely, 2^818032473 is an apocalyptic number.

It is an amenable number.

818032473 is a deficient number, since it is larger than the sum of its proper divisors (422052967).

818032473 is a wasteful number, since it uses less digits than its factorization.

818032473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704645 (or 704639 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 818032473 is about 28601.2669824258. The cubic root of 818032473 is about 935.2409506079.

The spelling of 818032473 in words is "eight hundred eighteen million, thirty-two thousand, four hundred seventy-three".