82741665 has 16 divisors (see below), whose sum is σ = 132523776. Its totient is φ = 44083200.

The previous prime is 82741627. The next prime is 82741691. The reversal of 82741665 is 56614728.

It is not a de Polignac number, because 82741665 - 2¹⁰ = 82740641 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16225 + ... + 20705.

It is an arithmetic number, because the mean of its divisors is an integer number (8282736).

Almost surely, 2^82741665 is an apocalyptic number.

It is an amenable number.

82741665 is a deficient number, since it is larger than the sum of its proper divisors (49782111).

82741665 is a wasteful number, since it uses less digits than its factorization.

82741665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5720.

The product of its digits is 80640, while the sum is 39.

The square root of 82741665 is about 9096.2445547599. The cubic root of 82741665 is about 435.7540363524.

The spelling of 82741665 in words is "eighty-two million, seven hundred forty-one thousand, six hundred sixty-five".