3706705727 has 4 divisors (see below), whose sum is σ = 3706995336. Its totient is φ = 3706416120.

The previous prime is 3706705609. The next prime is 3706705729. The reversal of 3706705727 is 7275076073.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7275076073 = 257 ⋅28307689.

It is a cyclic number.

It is not a de Polignac number, because 3706705727 - 2²⁴ = 3689928511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3706705729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124673 + ... + 151514.

It is an arithmetic number, because the mean of its divisors is an integer number (926748834).

Almost surely, 2^3706705727 is an apocalyptic number.

3706705727 is a deficient number, since it is larger than the sum of its proper divisors (289609).

3706705727 is a wasteful number, since it uses less digits than its factorization.

3706705727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289608.

The product of its (nonzero) digits is 432180, while the sum is 44.

The square root of 3706705727 is about 60882.7210873496. The cubic root of 3706705727 is about 1547.6141897133.

The spelling of 3706705727 in words is "three billion, seven hundred six million, seven hundred five thousand, seven hundred twenty-seven".