3206772916 has 6 divisors (see below), whose sum is σ = 5611852610. Its totient is φ = 1603386456.

The previous prime is 3206772913. The next prime is 3206772929. The reversal of 3206772916 is 6192776023.

It can be written as a sum of positive squares in only one way, i.e., 2499000100 + 707772816 = 49990^2 + 26604^2 .

It is a super-2 number, since 2×3206772916² = 20566785069582286112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3206772913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400846611 + ... + 400846618.

Almost surely, 2^3206772916 is an apocalyptic number.

It is an amenable number.

3206772916 is a deficient number, since it is larger than the sum of its proper divisors (2405079694).

3206772916 is a wasteful number, since it uses less digits than its factorization.

3206772916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801693233 (or 801693231 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 3206772916 is about 56628.3755373576. The cubic root of 3206772916 is about 1474.6515183258.

The spelling of 3206772916 in words is "three billion, two hundred six million, seven hundred seventy-two thousand, nine hundred sixteen".