3774747366738 has 24 divisors (see below), whose sum is σ = 8192992988700. Its totient is φ = 1256037784704.

The previous prime is 3774747366727. The next prime is 3774747366751. The reversal of 3774747366738 is 8376637474773.

It is a happy number.

3774747366738 is a `hidden beast` number, since 37 + 7 + 474 + 7 + 36 + 67 + 38 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3043060446969 + 731686919769 = 1744437^2 + 855387^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184267603 + ... + 184288086.

Almost surely, 2^{3774747366738} is an apocalyptic number.

3774747366738 is an abundant number, since it is smaller than the sum of its proper divisors (4418245621962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3774747366738 is a wasteful number, since it uses less digits than its factorization.

3774747366738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368556266 (or 368556263 counting only the distinct ones).

The product of its digits is 2091059712, while the sum is 72.

The spelling of 3774747366738 in words is "three trillion, seven hundred seventy-four billion, seven hundred forty-seven million, three hundred sixty-six thousand, seven hundred thirty-eight".