82066345 has 8 divisors (see below), whose sum is σ = 100149120. Its totient is φ = 64540080.

The previous prime is 82066343. The next prime is 82066349. The reversal of 82066345 is 54366028.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82066345 - 2¹ = 82066343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82066345.

It is not an unprimeable number, because it can be changed into a prime (82066343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138801 + ... + 139390.

It is an arithmetic number, because the mean of its divisors is an integer number (12518640).

Almost surely, 2^82066345 is an apocalyptic number.

It is an amenable number.

82066345 is a deficient number, since it is larger than the sum of its proper divisors (18082775).

82066345 is a wasteful number, since it uses less digits than its factorization.

82066345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278255.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 82066345 is about 9059.0476872572. The cubic root of 82066345 is about 434.5652855377.

The spelling of 82066345 in words is "eighty-two million, sixty-six thousand, three hundred forty-five".