3709040666 has 16 divisors (see below), whose sum is σ = 5772025440. Its totient is φ = 1785401520.

The previous prime is 3709040581. The next prime is 3709040669. The reversal of 3709040666 is 6660409073.

It is a happy number.

3709040666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3709040669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72020 + ... + 112271.

It is an arithmetic number, because the mean of its divisors is an integer number (360751590).

Almost surely, 2^3709040666 is an apocalyptic number.

3709040666 is a deficient number, since it is larger than the sum of its proper divisors (2062984774).

3709040666 is a wasteful number, since it uses less digits than its factorization.

3709040666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184669.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 3709040666 is about 60901.8937800788. The cubic root of 3709040666 is about 1547.9390807351.

The spelling of 3709040666 in words is "three billion, seven hundred nine million, forty thousand, six hundred sixty-six".