82680743 has 2 divisors, whose sum is σ = 82680744. Its totient is φ = 82680742.

The previous prime is 82680739. The next prime is 82680757. The reversal of 82680743 is 34708628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82680743 - 2² = 82680739 is a prime.

It is a super-2 number, since 2×82680743² = 13672210526064098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82680697 and 82680706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82680043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41340371 + 41340372.

It is an arithmetic number, because the mean of its divisors is an integer number (41340372).

Almost surely, 2^82680743 is an apocalyptic number.

82680743 is a deficient number, since it is larger than the sum of its proper divisors (1).

82680743 is an equidigital number, since it uses as much as digits as its factorization.

82680743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 82680743 is about 9092.8951935014. The cubic root of 82680743 is about 435.6470627355.

The spelling of 82680743 in words is "eighty-two million, six hundred eighty thousand, seven hundred forty-three".