3668782772 has 12 divisors (see below), whose sum is σ = 6422327520. Its totient is φ = 1833832056.

The previous prime is 3668782771. The next prime is 3668782813. The reversal of 3668782772 is 2772878663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668782771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124898 + ... + 151449.

It is an arithmetic number, because the mean of its divisors is an integer number (535193960).

Almost surely, 2^3668782772 is an apocalyptic number.

It is an amenable number.

3668782772 is a deficient number, since it is larger than the sum of its proper divisors (2753544748).

3668782772 is a wasteful number, since it uses less digits than its factorization.

3668782772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279670 (or 279668 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 56.

The square root of 3668782772 is about 60570.4777263644. The cubic root of 3668782772 is about 1542.3182563413.

The spelling of 3668782772 in words is "three billion, six hundred sixty-eight million, seven hundred eighty-two thousand, seven hundred seventy-two".