3765742066 has 8 divisors (see below), whose sum is σ = 5667892524. Its totient is φ = 1876444560.

The previous prime is 3765742027. The next prime is 3765742087. The reversal of 3765742066 is 6602475673.

3765742066 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 2 ways, for example, as 2545707025 + 1220035041 = 50455^2 + 34929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3212505 + ... + 3213676.

Almost surely, 2^3765742066 is an apocalyptic number.

3765742066 is a deficient number, since it is larger than the sum of its proper divisors (1902150458).

3765742066 is a wasteful number, since it uses less digits than its factorization.

3765742066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6426476.

The product of its (nonzero) digits is 1270080, while the sum is 46.

The square root of 3765742066 is about 61365.6423905103. The cubic root of 3765742066 is about 1555.7871851058.

The spelling of 3765742066 in words is "three billion, seven hundred sixty-five million, seven hundred forty-two thousand, sixty-six".