3206638073 has 4 divisors (see below), whose sum is σ = 3395263860. Its totient is φ = 3018012288.

The previous prime is 3206638069. The next prime is 3206638111. The reversal of 3206638073 is 3708366023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3708366023 = 4139 ⋅895957.

It can be written as a sum of positive squares in 2 ways, for example, as 2287517584 + 919120489 = 47828^2 + 30317^2 .

It is a cyclic number.

It is not a de Polignac number, because 3206638073 - 2² = 3206638069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3206638013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 94312868 + ... + 94312901.

It is an arithmetic number, because the mean of its divisors is an integer number (848815965).

Almost surely, 2^3206638073 is an apocalyptic number.

It is an amenable number.

3206638073 is a deficient number, since it is larger than the sum of its proper divisors (188625787).

3206638073 is a wasteful number, since it uses less digits than its factorization.

3206638073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188625786.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 3206638073 is about 56627.1849291487. The cubic root of 3206638073 is about 1474.6308486134.

The spelling of 3206638073 in words is "three billion, two hundred six million, six hundred thirty-eight thousand, seventy-three".