82723373 has 2 divisors, whose sum is σ = 82723374. Its totient is φ = 82723372.

The previous prime is 82723339. The next prime is 82723393. The reversal of 82723373 is 37332728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61811044 + 20912329 = 7862^2 + 4573^2 .

It is a cyclic number.

It is not a de Polignac number, because 82723373 - 2¹⁰ = 82722349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82723313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41361686 + 41361687.

It is an arithmetic number, because the mean of its divisors is an integer number (41361687).

Almost surely, 2^82723373 is an apocalyptic number.

It is an amenable number.

82723373 is a deficient number, since it is larger than the sum of its proper divisors (1).

82723373 is an equidigital number, since it uses as much as digits as its factorization.

82723373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 35.

The square root of 82723373 is about 9095.2390292944. The cubic root of 82723373 is about 435.7219227440.

The spelling of 82723373 in words is "eighty-two million, seven hundred twenty-three thousand, three hundred seventy-three".