82342705 has 4 divisors (see below), whose sum is σ = 98811252. Its totient is φ = 65874160.

The previous prime is 82342703. The next prime is 82342739. The reversal of 82342705 is 50724328.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8503056 + 73839649 = 2916^2 + 8593^2 .

It is not a de Polignac number, because 82342705 - 2¹ = 82342703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82342703) 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 in 3 ways as a sum of consecutive naturals, for example, 8234266 + ... + 8234275.

It is an arithmetic number, because the mean of its divisors is an integer number (24702813).

Almost surely, 2^82342705 is an apocalyptic number.

It is an amenable number.

82342705 is a deficient number, since it is larger than the sum of its proper divisors (16468547).

82342705 is a wasteful number, since it uses less digits than its factorization.

82342705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16468546.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 82342705 is about 9074.2881263491. The cubic root of 82342705 is about 435.0525413261.

The spelling of 82342705 in words is "eighty-two million, three hundred forty-two thousand, seven hundred five".