3775666743 has 16 divisors (see below), whose sum is σ = 5618672640. Its totient is φ = 2505819672.

The previous prime is 3775666733. The next prime is 3775666751. The reversal of 3775666743 is 3476665773.

It is not a de Polignac number, because 3775666743 - 2¹² = 3775662647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3775666743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3775666723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307521 + ... + 319562.

It is an arithmetic number, because the mean of its divisors is an integer number (351167040).

Almost surely, 2^3775666743 is an apocalyptic number.

3775666743 is a deficient number, since it is larger than the sum of its proper divisors (1843005897).

3775666743 is a wasteful number, since it uses less digits than its factorization.

3775666743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627315 (or 627309 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 54.

The square root of 3775666743 is about 61446.4542752468. The cubic root of 3775666743 is about 1557.1527539738.

The spelling of 3775666743 in words is "three billion, seven hundred seventy-five million, six hundred sixty-six thousand, seven hundred forty-three".