843374473 has 2 divisors, whose sum is σ = 843374474. Its totient is φ = 843374472.

The previous prime is 843374417. The next prime is 843374507. The reversal of 843374473 is 374473348.

843374473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 694217104 + 149157369 = 26348^2 + 12213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-843374473 is a prime.

It is a super-2 number, since 2×843374473² = 1422561003416055458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (843372473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421687236 + 421687237.

It is an arithmetic number, because the mean of its divisors is an integer number (421687237).

Almost surely, 2^843374473 is an apocalyptic number.

It is an amenable number.

843374473 is a deficient number, since it is larger than the sum of its proper divisors (1).

843374473 is an equidigital number, since it uses as much as digits as its factorization.

843374473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 43.

The square root of 843374473 is about 29040.9103335278. The cubic root of 843374473 is about 944.8005786561.

The spelling of 843374473 in words is "eight hundred forty-three million, three hundred seventy-four thousand, four hundred seventy-three".