3966706575 has 72 divisors (see below), whose sum is σ = 7668922352. Its totient is φ = 1948354560.

The previous prime is 3966706567. The next prime is 3966706591. The reversal of 3966706575 is 5756076693.

3966706575 is a `hidden beast` number, since 3 + 9 + 6 + 67 + 0 + 6 + 575 = 666.

It is not a de Polignac number, because 3966706575 - 2³ = 3966706567 is a prime.

It is a super-2 number, since 2×3966706575² = 31469522104296461250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1528479 + ... + 1531071.

Almost surely, 2^3966706575 is an apocalyptic number.

3966706575 is a deficient number, since it is larger than the sum of its proper divisors (3702215777).

3966706575 is a wasteful number, since it uses less digits than its factorization.

3966706575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145 (or 3137 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 54.

The square root of 3966706575 is about 62981.7955841210. The cubic root of 3966706575 is about 1582.9846078411.

The spelling of 3966706575 in words is "three billion, nine hundred sixty-six million, seven hundred six thousand, five hundred seventy-five".