82705075 has 6 divisors (see below), whose sum is σ = 102554324. Its totient is φ = 66164040.

The previous prime is 82705061. The next prime is 82705093. The reversal of 82705075 is 57050728.

It is not a de Polignac number, because 82705075 - 2¹⁵ = 82672307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82705075.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1654077 + ... + 1654126.

Almost surely, 2^82705075 is an apocalyptic number.

82705075 is a deficient number, since it is larger than the sum of its proper divisors (19849249).

82705075 is a wasteful number, since it uses less digits than its factorization.

82705075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308213 (or 3308208 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 82705075 is about 9094.2330627712. The cubic root of 82705075 is about 435.6897938653.

The spelling of 82705075 in words is "eighty-two million, seven hundred five thousand, seventy-five".