75664206 has 20 divisors (see below), whose sum is σ = 169544232. Its totient is φ = 25221348.

The previous prime is 75664189. The next prime is 75664207. The reversal of 75664206 is 60246657.

75664206 is a `hidden beast` number, since 7 + 5 + 6 + 642 + 0 + 6 = 666.

It is a super-2 number, since 2×75664206² = 11450144139220872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75664207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 233370 + ... + 233693.

Almost surely, 2^75664206 is an apocalyptic number.

75664206 is an abundant number, since it is smaller than the sum of its proper divisors (93880026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75664206 is a wasteful number, since it uses less digits than its factorization.

75664206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467077 (or 467068 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 75664206 is about 8698.5174598894. The cubic root of 75664206 is about 422.9575934552.

The spelling of 75664206 in words is "seventy-five million, six hundred sixty-four thousand, two hundred six".