82743469 has 2 divisors, whose sum is σ = 82743470. Its totient is φ = 82743468.

The previous prime is 82743413. The next prime is 82743487. The reversal of 82743469 is 96434728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72420100 + 10323369 = 8510^2 + 3213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82743469 is a prime.

It is a super-2 number, since 2×82743469² = 13692963324307922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82743569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41371734 + 41371735.

It is an arithmetic number, because the mean of its divisors is an integer number (41371735).

Almost surely, 2^82743469 is an apocalyptic number.

It is an amenable number.

82743469 is a deficient number, since it is larger than the sum of its proper divisors (1).

82743469 is an equidigital number, since it uses as much as digits as its factorization.

82743469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 82743469 is about 9096.3437160213. The cubic root of 82743469 is about 435.7572032155.

The spelling of 82743469 in words is "eighty-two million, seven hundred forty-three thousand, four hundred sixty-nine".