82605073 has 8 divisors (see below), whose sum is σ = 83798208. Its totient is φ = 81419664.

The previous prime is 82605043. The next prime is 82605077. The reversal of 82605073 is 37050628.

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

It is a cyclic number.

It is not a de Polignac number, because 82605073 - 2¹³ = 82596881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82605077) 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, 21615 + ... + 25147.

It is an arithmetic number, because the mean of its divisors is an integer number (10474776).

Almost surely, 2^82605073 is an apocalyptic number.

It is an amenable number.

82605073 is a deficient number, since it is larger than the sum of its proper divisors (1193135).

82605073 is a wasteful number, since it uses less digits than its factorization.

82605073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 82605073 is about 9088.7333000809. The cubic root of 82605073 is about 435.5141197475.

The spelling of 82605073 in words is "eighty-two million, six hundred five thousand, seventy-three".