6666075 has 72 divisors (see below), whose sum is σ = 13405392. Its totient is φ = 3144960.

The previous prime is 6666061. The next prime is 6666097. The reversal of 6666075 is 5706666.

6666075 = T₁₇ + T₁₈ + ... + T₃₄₁.

It is not a de Polignac number, because 6666075 - 2⁴ = 6666059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 125749 + ... + 125801.

It is an arithmetic number, because the mean of its divisors is an integer number (186186).

Almost surely, 2^6666075 is an apocalyptic number.

6666075 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6666075 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

6666075 is a wasteful number, since it uses less digits than its factorization.

6666075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 6666075 is about 2581.8743191720. The cubic root of 6666075 is about 188.2016378150.

The spelling of 6666075 in words is "six million, six hundred sixty-six thousand, seventy-five".