3679661728 has 12 divisors (see below), whose sum is σ = 7244334090. Its totient is φ = 1839830848.

The previous prime is 3679661681. The next prime is 3679661737. The reversal of 3679661728 is 8271669763.

It is a happy number.

3679661728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3427868304 + 251793424 = 58548^2 + 15868^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57494683 + ... + 57494746.

Almost surely, 2^3679661728 is an apocalyptic number.

It is an amenable number.

3679661728 is a deficient number, since it is larger than the sum of its proper divisors (3564672362).

3679661728 is a wasteful number, since it uses less digits than its factorization.

3679661728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114989439 (or 114989431 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 55.

The square root of 3679661728 is about 60660.2153639434. The cubic root of 3679661728 is about 1543.8412187833.

The spelling of 3679661728 in words is "three billion, six hundred seventy-nine million, six hundred sixty-one thousand, seven hundred twenty-eight".